166160635674 has 48 divisors (see below), whose sum is σ = 368155167744. Its totient is φ = 49955209920.

The previous prime is 166160635673. The next prime is 166160635687. The reversal of 166160635674 is 476536061661.

It is a super-2 number, since 2×166160635674² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166160635673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808867 + ... + 993270.

It is an arithmetic number, because the mean of its divisors is an integer number (7669899328).

Almost surely, 2^166160635674 is an apocalyptic number.

166160635674 is an abundant number, since it is smaller than the sum of its proper divisors (201994532070).

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

166160635674 is a wasteful number, since it uses less digits than its factorization.

166160635674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802291 (or 1802280 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 166160635674 in words is "one hundred sixty-six billion, one hundred sixty million, six hundred thirty-five thousand, six hundred seventy-four".