166469737974 has 16 divisors (see below), whose sum is σ = 334003184112. Its totient is φ = 55312627968.

The previous prime is 166469737963. The next prime is 166469737981. The reversal of 166469737974 is 479737964661.

It is a super-2 number, since 2×166469737974² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166469737899 and 166469737908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44319139 + ... + 44322894.

It is an arithmetic number, because the mean of its divisors is an integer number (20875199007).

Almost surely, 2^166469737974 is an apocalyptic number.

166469737974 is an abundant number, since it is smaller than the sum of its proper divisors (167533446138).

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

166469737974 is a wasteful number, since it uses less digits than its factorization.

166469737974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88642351.

The product of its digits is 288054144, while the sum is 69.

The spelling of 166469737974 in words is "one hundred sixty-six billion, four hundred sixty-nine million, seven hundred thirty-seven thousand, nine hundred seventy-four".