166015251162 has 144 divisors (see below), whose sum is σ = 394617000960. Its totient is φ = 52302262464.

The previous prime is 166015251139. The next prime is 166015251211. The reversal of 166015251162 is 261152510661.

166015251162 is a `hidden beast` number, since 1 + 6 + 60 + 1 + 525 + 11 + 62 = 666.

It is a super-2 number, since 2×166015251162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99827943 + ... + 99829605.

It is an arithmetic number, because the mean of its divisors is an integer number (2740395840).

Almost surely, 2^166015251162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166015251162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197308500480).

166015251162 is an abundant number, since it is smaller than the sum of its proper divisors (228601749798).

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

166015251162 is a wasteful number, since it uses less digits than its factorization.

166015251162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 166015251162 in words is "one hundred sixty-six billion, fifteen million, two hundred fifty-one thousand, one hundred sixty-two".