6161555165152 has 48 divisors (see below), whose sum is σ = 12572851944240. Its totient is φ = 2968856174592.

The previous prime is 6161555165107. The next prime is 6161555165173. The reversal of 6161555165152 is 2515615551616.

It is a super-2 number, since 2×6161555165152² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6161555165096 and 6161555165105.

It is a congruent number.

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, 5862273 + ... + 6832960.

It is an arithmetic number, because the mean of its divisors is an integer number (261934415505).

Almost surely, 2^{6161555165152} is an apocalyptic number.

It is an amenable number.

6161555165152 is an abundant number, since it is smaller than the sum of its proper divisors (6411296779088).

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

6161555165152 is a wasteful number, since it uses less digits than its factorization.

6161555165152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695795 (or 12695787 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 49.

The spelling of 6161555165152 in words is "six trillion, one hundred sixty-one billion, five hundred fifty-five million, one hundred sixty-five thousand, one hundred fifty-two".