166000631016416 has 24 divisors (see below), whose sum is σ = 373501419787440. Its totient is φ = 71143127578368.

The previous prime is 166000631016391. The next prime is 166000631016427. The reversal of 166000631016416 is 614610136000661.

It is a super-2 number, since 2×166000631016416² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370537122581 + ... + 370537123028.

It is an arithmetic number, because the mean of its divisors is an integer number (15562559157810).

Almost surely, 2^{166000631016416} is an apocalyptic number.

166000631016416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166000631016416 is an abundant number, since it is smaller than the sum of its proper divisors (207500788771024).

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

166000631016416 is an equidigital number, since it uses as much as digits as its factorization.

166000631016416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741074245626 (or 741074245618 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 166000631016416 in words is "one hundred sixty-six trillion, six hundred thirty-one million, sixteen thousand, four hundred sixteen".