1612115571660 has 96 divisors (see below), whose sum is σ = 5007742790400. Its totient is φ = 384191888640.

The previous prime is 1612115571659. The next prime is 1612115571707. The reversal of 1612115571660 is 661755112161.

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, 20661055 + ... + 20738934.

It is an arithmetic number, because the mean of its divisors is an integer number (52163987400).

Almost surely, 2^{1612115571660} is an apocalyptic number.

1612115571660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612115571660 is an abundant number, since it is smaller than the sum of its proper divisors (3395627218740).

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

1612115571660 is a wasteful number, since it uses less digits than its factorization.

1612115571660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41400071 (or 41400069 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 1612115571660 in words is "one trillion, six hundred twelve billion, one hundred fifteen million, five hundred seventy-one thousand, six hundred sixty".