167169420 has 288 divisors, whose sum is σ = 594397440. Its totient is φ = 39087360.

The previous prime is 167169419. The next prime is 167169421. The reversal of 167169420 is 24961761.

It is an interprime number because it is at equal distance from previous prime (167169419) and next prime (167169421).

It is a super-2 number, since 2×167169420² = 55891229966272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (167169421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2833351 + ... + 2833409.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^167169420 is an apocalyptic number.

167169420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167169420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297198720).

167169420 is an abundant number, since it is smaller than the sum of its proper divisors (427228020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167169420 is a wasteful number, since it uses less digits than its factorization.

167169420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 167169420 is about 12929.4013782541. The cubic root of 167169420 is about 550.8740043245.

The spelling of 167169420 in words is "one hundred sixty-seven million, one hundred sixty-nine thousand, four hundred twenty".