166548110255616 has 80 divisors (see below), whose sum is σ = 443711677045824. Its totient is φ = 55513896904704.

The previous prime is 166548110255591. The next prime is 166548110255641. The reversal of 166548110255616 is 616552011845661.

It is an interprime number because it is at equal distance from previous prime (166548110255591) and next prime (166548110255641).

It is a congruent number.

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, 38023711 + ... + 42176993.

Almost surely, 2^{166548110255616} is an apocalyptic number.

166548110255616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166548110255616 is an abundant number, since it is smaller than the sum of its proper divisors (277163566790208).

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

166548110255616 is an equidigital number, since it uses as much as digits as its factorization.

166548110255616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179411 (or 4179395 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 166548110255616 in words is "one hundred sixty-six trillion, five hundred forty-eight billion, one hundred ten million, two hundred fifty-five thousand, six hundred sixteen".