166089055152 has 40 divisors (see below), whose sum is σ = 429414372864. Its totient is φ = 55317730624.

The previous prime is 166089055103. The next prime is 166089055159. The reversal of 166089055152 is 251550980661.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (166089055159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355928 + ... + 1473335.

Almost surely, 2^166089055152 is an apocalyptic number.

166089055152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166089055152 is an abundant number, since it is smaller than the sum of its proper divisors (263325317712).

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

166089055152 is a wasteful number, since it uses less digits than its factorization.

166089055152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830497 (or 2830491 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 166089055152 in words is "one hundred sixty-six billion, eighty-nine million, fifty-five thousand, one hundred fifty-two".