61156160160 has 96 divisors (see below), whose sum is σ = 198856207872. Its totient is φ = 15782231040.

The previous prime is 61156160147. The next prime is 61156160171. The reversal of 61156160160 is 6106165116.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040099 + ... + 2069858.

It is an arithmetic number, because the mean of its divisors is an integer number (2071418832).

Almost surely, 2^61156160160 is an apocalyptic number.

61156160160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61156160160 is an abundant number, since it is smaller than the sum of its proper divisors (137700047712).

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

61156160160 is a wasteful number, since it uses less digits than its factorization.

61156160160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110006 (or 4109998 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 61156160160 in words is "sixty-one billion, one hundred fifty-six million, one hundred sixty thousand, one hundred sixty".