166000101505650 has 72 divisors (see below), whose sum is σ = 448228080019200. Its totient is φ = 44044248013920.

The previous prime is 166000101505619. The next prime is 166000101505681. The reversal of 166000101505650 is 56505101000661.

166000101505650 is a `hidden beast` number, since 16 + 60 + 0 + 0 + 10 + 15 + 0 + 565 + 0 = 666.

166000101505650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166000101505619) and next prime (166000101505681).

It is a super-2 number, since 2×166000101505650² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 926767522 + ... + 926946621.

Almost surely, 2^{166000101505650} is an apocalyptic number.

166000101505650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166000101505650 is an abundant number, since it is smaller than the sum of its proper divisors (282227978513550).

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

166000101505650 is a wasteful number, since it uses less digits than its factorization.

166000101505650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853714360 (or 1853714352 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 166000101505650 in words is "one hundred sixty-six trillion, one hundred one million, five hundred five thousand, six hundred fifty".