15156661416 has 32 divisors (see below), whose sum is σ = 40806396960. Its totient is φ = 4663588032.

The previous prime is 15156661381. The next prime is 15156661433. The reversal of 15156661416 is 61416665151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24289210 + ... + 24289833.

It is an arithmetic number, because the mean of its divisors is an integer number (1275199905).

Almost surely, 2^15156661416 is an apocalyptic number.

It is an amenable number.

15156661416 is an abundant number, since it is smaller than the sum of its proper divisors (25649735544).

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

15156661416 is a wasteful number, since it uses less digits than its factorization.

15156661416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48579065 (or 48579061 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 15156661416 in words is "fifteen billion, one hundred fifty-six million, six hundred sixty-one thousand, four hundred sixteen".