166703905052 has 24 divisors (see below), whose sum is σ = 293304654720. Its totient is φ = 82902841280.

The previous prime is 166703905019. The next prime is 166703905063. The reversal of 166703905052 is 250509307661.

It is a super-2 number, since 2×166703905052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166703904994 and 166703905012.

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, 2615402 + ... + 2678382.

It is an arithmetic number, because the mean of its divisors is an integer number (12221027280).

Almost surely, 2^166703905052 is an apocalyptic number.

It is an amenable number.

166703905052 is a deficient number, since it is larger than the sum of its proper divisors (126600749668).

166703905052 is a wasteful number, since it uses less digits than its factorization.

166703905052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66541 (or 66539 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 166703905052 in words is "one hundred sixty-six billion, seven hundred three million, nine hundred five thousand, fifty-two".