1615160372172 has 48 divisors (see below), whose sum is σ = 3772723500000. Its totient is φ = 537813319680.

The previous prime is 1615160372149. The next prime is 1615160372197. The reversal of 1615160372172 is 2712730615161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67149204 + ... + 67173252.

It is an arithmetic number, because the mean of its divisors is an integer number (78598406250).

Almost surely, 2^{1615160372172} is an apocalyptic number.

1615160372172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1615160372172 is an abundant number, since it is smaller than the sum of its proper divisors (2157563127828).

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

1615160372172 is a wasteful number, since it uses less digits than its factorization.

1615160372172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29786 (or 29784 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 1615160372172 in words is "one trillion, six hundred fifteen billion, one hundred sixty million, three hundred seventy-two thousand, one hundred seventy-two".