166524312012560 has 40 divisors (see below), whose sum is σ = 387169624854936. Its totient is φ = 66609621678080.

The previous prime is 166524312012557. The next prime is 166524312012589. The reversal of 166524312012560 is 65210213425661.

It can be written as a sum of positive squares in 4 ways, for example, as 8732828778496 + 157791483234064 = 2955136^2 + 12561508^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×166524312012560³ (a number of 44 digits) contains 333 as substring.

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, 70337690 + ... + 72666630.

Almost surely, 2^{166524312012560} is an apocalyptic number.

166524312012560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166524312012560 is an abundant number, since it is smaller than the sum of its proper divisors (220645312842376).

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

166524312012560 is a wasteful number, since it uses less digits than its factorization.

166524312012560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222731 (or 3222725 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 166524312012560 in words is "one hundred sixty-six trillion, five hundred twenty-four billion, three hundred twelve million, twelve thousand, five hundred sixty".