16101161556161 has 16 divisors (see below), whose sum is σ = 17777713766400. Its totient is φ = 14460101232720.

The previous prime is 16101161556157. The next prime is 16101161556167. The reversal of 16101161556161 is 16165516110161.

It is not a de Polignac number, because 16101161556161 - 2² = 16101161556157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16101161556167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13296536 + ... + 14456838.

It is an arithmetic number, because the mean of its divisors is an integer number (1111107110400).

Almost surely, 2^{16101161556161} is an apocalyptic number.

16101161556161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16101161556161 is a deficient number, since it is larger than the sum of its proper divisors (1676552210239).

16101161556161 is a wasteful number, since it uses less digits than its factorization.

16101161556161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175596.

The product of its (nonzero) digits is 32400, while the sum is 41.

The spelling of 16101161556161 in words is "sixteen trillion, one hundred one billion, one hundred sixty-one million, five hundred fifty-six thousand, one hundred sixty-one".