167216240 has 20 divisors (see below), whose sum is σ = 388777944. Its totient is φ = 66886464.

The previous prime is 167216227. The next prime is 167216243. The reversal of 167216240 is 42612761.

167216240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×167216240² = 55922541839475200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167216243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045022 + ... + 1045181.

Almost surely, 2^167216240 is an apocalyptic number.

167216240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167216240 is an abundant number, since it is smaller than the sum of its proper divisors (221561704).

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

167216240 is a wasteful number, since it uses less digits than its factorization.

167216240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090216 (or 2090210 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 167216240 is about 12931.2118534962. The cubic root of 167216240 is about 550.9254282300.

The spelling of 167216240 in words is "one hundred sixty-seven million, two hundred sixteen thousand, two hundred forty".