167966730 has 64 divisors (see below), whose sum is σ = 449326080. Its totient is φ = 44649792.

The previous prime is 167966713. The next prime is 167966741. The reversal of 167966730 is 37669761.

167966730 is nontrivially palindromic in base 4.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106407 + ... + 107973.

It is an arithmetic number, because the mean of its divisors is an integer number (7020720).

Almost surely, 2^167966730 is an apocalyptic number.

167966730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 167966730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224663040).

167966730 is an abundant number, since it is smaller than the sum of its proper divisors (281359350).

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

167966730 is a wasteful number, since it uses less digits than its factorization.

167966730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 167966730 is about 12960.1979151555. The cubic root of 167966730 is about 551.7484085035.

The spelling of 167966730 in words is "one hundred sixty-seven million, nine hundred sixty-six thousand, seven hundred thirty".