166002901155 has 192 divisors, whose sum is σ = 366148823040. Its totient is φ = 67708182528.

The previous prime is 166002901151. The next prime is 166002901223. The reversal of 166002901155 is 551109200661.

166002901155 is a `hidden beast` number, since 16 + 600 + 29 + 0 + 1 + 15 + 5 = 666.

It is not a de Polignac number, because 166002901155 - 2² = 166002901151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166002901151) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17075386 + ... + 17085104.

It is an arithmetic number, because the mean of its divisors is an integer number (1907025120).

Almost surely, 2^166002901155 is an apocalyptic number.

166002901155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166002901155 is an abundant number, since it is smaller than the sum of its proper divisors (200145921885).

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

166002901155 is a wasteful number, since it uses less digits than its factorization.

166002901155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 166002901155 in words is "one hundred sixty-six billion, two million, nine hundred one thousand, one hundred fifty-five".