16161155161610 has 32 divisors (see below), whose sum is σ = 30355739003520. Its totient is φ = 6183220529728.

The previous prime is 16161155161597. The next prime is 16161155161621. The reversal of 16161155161610 is 1616155116161.

It is a super-2 number, since 2×16161155161610² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7139996 + ... + 9126984.

It is an arithmetic number, because the mean of its divisors is an integer number (948616843860).

Almost surely, 2^{16161155161610} is an apocalyptic number.

16161155161610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161155161610 is a deficient number, since it is larger than the sum of its proper divisors (14194583841910).

16161155161610 is a wasteful number, since it uses less digits than its factorization.

16161155161610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022382.

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

The spelling of 16161155161610 in words is "sixteen trillion, one hundred sixty-one billion, one hundred fifty-five million, one hundred sixty-one thousand, six hundred ten".