6161116555560 has 32 divisors (see below), whose sum is σ = 18483349667040. Its totient is φ = 1642964414784.

The previous prime is 6161116555469. The next prime is 6161116555577. The reversal of 6161116555560 is 655556111616.

It is a super-2 number, since 2×6161116555560² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25671318862 + ... + 25671319101.

It is an arithmetic number, because the mean of its divisors is an integer number (577604677095).

Almost surely, 2^{6161116555560} is an apocalyptic number.

6161116555560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6161116555560 is an abundant number, since it is smaller than the sum of its proper divisors (12322233111480).

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

6161116555560 is a wasteful number, since it uses less digits than its factorization.

6161116555560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51342637977 (or 51342637973 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 6161116555560 in words is "six trillion, one hundred sixty-one billion, one hundred sixteen million, five hundred fifty-five thousand, five hundred sixty".