166305535752960 has 324 divisors, whose sum is σ = 601504948520112. Its totient is φ = 42419961188352.

The previous prime is 166305535752929. The next prime is 166305535752989. The reversal of 166305535752960 is 69257535503661.

166305535752960 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 0 + 5 + 53 + 57 + 529 + 6 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7550764 + ... + 19738923.

Almost surely, 2^{166305535752960} is an apocalyptic number.

166305535752960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166305535752960 is an abundant number, since it is smaller than the sum of its proper divisors (435199412767152).

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

166305535752960 is a wasteful number, since it uses less digits than its factorization.

166305535752960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27289760 (or 27289720 counting only the distinct ones).

The product of its (nonzero) digits is 153090000, while the sum is 63.

The spelling of 166305535752960 in words is "one hundred sixty-six trillion, three hundred five billion, five hundred thirty-five million, seven hundred fifty-two thousand, nine hundred sixty".