166705567052 has 12 divisors (see below), whose sum is σ = 291752120016. Its totient is φ = 83347818480.

The previous prime is 166705567033. The next prime is 166705567117. The reversal of 166705567052 is 250765507661.

It is a super-2 number, since 2×166705567052² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165199 + ... + 1300422.

It is an arithmetic number, because the mean of its divisors is an integer number (24312676668).

Almost surely, 2^166705567052 is an apocalyptic number.

It is an amenable number.

166705567052 is a deficient number, since it is larger than the sum of its proper divisors (125046552964).

166705567052 is a wasteful number, since it uses less digits than its factorization.

166705567052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482528 (or 2482526 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 166705567052 in words is "one hundred sixty-six billion, seven hundred five million, five hundred sixty-seven thousand, fifty-two".