6161101500972 has 48 divisors (see below), whose sum is σ = 15769449206784. Its totient is φ = 1856685528000.

The previous prime is 6161101500959. The next prime is 6161101500973. The reversal of 6161101500972 is 2790051011616.

It is a self number, because there is not a number n which added to its sum of digits gives 6161101500972.

It is not an unprimeable number, because it can be changed into a prime (6161101500973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128912604 + ... + 128960387.

It is an arithmetic number, because the mean of its divisors is an integer number (328530191808).

Almost surely, 2^{6161101500972} is an apocalyptic number.

It is an amenable number.

6161101500972 is an abundant number, since it is smaller than the sum of its proper divisors (9608347705812).

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

6161101500972 is a wasteful number, since it uses less digits than its factorization.

6161101500972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257873190 (or 257873188 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 6161101500972 in words is "six trillion, one hundred sixty-one billion, one hundred one million, five hundred thousand, nine hundred seventy-two".