16454641131 has 32 divisors (see below), whose sum is σ = 24852096000. Its totient is φ = 10756328544.

The previous prime is 16454641129. The next prime is 16454641141. The reversal of 16454641131 is 13114645461.

16454641131 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 4 + 641 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 16454641131 - 2¹ = 16454641129 is a prime.

It is a super-2 number, since 2×16454641131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16454641111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4031950 + ... + 4036028.

It is an arithmetic number, because the mean of its divisors is an integer number (776628000).

Almost surely, 2^16454641131 is an apocalyptic number.

16454641131 is a deficient number, since it is larger than the sum of its proper divisors (8397454869).

16454641131 is a wasteful number, since it uses less digits than its factorization.

16454641131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960 (or 6954 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 16454641131 in words is "sixteen billion, four hundred fifty-four million, six hundred forty-one thousand, one hundred thirty-one".