166953015528 has 32 divisors (see below), whose sum is σ = 449488888800. Its totient is φ = 51370158528.

The previous prime is 166953015517. The next prime is 166953015553. The reversal of 166953015528 is 825510359661.

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, 267552598 + ... + 267553221.

It is an arithmetic number, because the mean of its divisors is an integer number (14046527775).

Almost surely, 2^166953015528 is an apocalyptic number.

It is an amenable number.

166953015528 is an abundant number, since it is smaller than the sum of its proper divisors (282535873272).

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

166953015528 is a wasteful number, since it uses less digits than its factorization.

166953015528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535105841 (or 535105837 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 166953015528 in words is "one hundred sixty-six billion, nine hundred fifty-three million, fifteen thousand, five hundred twenty-eight".