16455713616 has 30 divisors (see below), whose sum is σ = 46053143370. Its totient is φ = 5485237824.

The previous prime is 16455713581. The next prime is 16455713621. The reversal of 16455713616 is 61631755461.

16455713616 is a `hidden beast` number, since 1 + 6 + 45 + 571 + 36 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8409623616 + 8046090000 = 91704^2 + 89700^2 .

It is a super-2 number, since 2×16455713616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57137751 + ... + 57138038.

It is an arithmetic number, because the mean of its divisors is an integer number (1535104779).

Almost surely, 2^16455713616 is an apocalyptic number.

16455713616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16455713616 is an abundant number, since it is smaller than the sum of its proper divisors (29597429754).

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

16455713616 is a wasteful number, since it uses less digits than its factorization.

16455713616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114275803 (or 114275794 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 16455713616 in words is "sixteen billion, four hundred fifty-five million, seven hundred thirteen thousand, six hundred sixteen".