12166149510 has 64 divisors (see below), whose sum is σ = 32454682560. Its totient is φ = 3243144960.

The previous prime is 12166149493. The next prime is 12166149533. The reversal of 12166149510 is 1594166121.

12166149510 is a `hidden beast` number, since 1 + 2 + 166 + 1 + 495 + 1 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963840 + ... + 976380.

It is an arithmetic number, because the mean of its divisors is an integer number (507104415).

Almost surely, 2^12166149510 is an apocalyptic number.

12166149510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12166149510 is an abundant number, since it is smaller than the sum of its proper divisors (20288533050).

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

12166149510 is a wasteful number, since it uses less digits than its factorization.

12166149510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150 (or 16144 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

It can be divided in two parts, 121661 and 49510, that added together give a palindrome (171171).

The spelling of 12166149510 in words is "twelve billion, one hundred sixty-six million, one hundred forty-nine thousand, five hundred ten".