16476639453 has 6 divisors (see below), whose sum is σ = 23799590334. Its totient is φ = 10984426296.

The previous prime is 16476639427. The next prime is 16476639463. The reversal of 16476639453 is 35493667461.

16476639453 is a `hidden beast` number, since 1 + 64 + 76 + 63 + 9 + 453 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15317032644 + 1159606809 = 123762^2 + 34053^2 .

It is not a de Polignac number, because 16476639453 - 2²⁸ = 16208203997 is a prime.

It is a super-2 number, since 2×16476639453² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16476639453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16476639463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 915368850 + ... + 915368867.

It is an arithmetic number, because the mean of its divisors is an integer number (3966598389).

Almost surely, 2^16476639453 is an apocalyptic number.

It is an amenable number.

16476639453 is a deficient number, since it is larger than the sum of its proper divisors (7322950881).

16476639453 is a wasteful number, since it uses less digits than its factorization.

16476639453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830737723 (or 1830737720 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 16476639453 in words is "sixteen billion, four hundred seventy-six million, six hundred thirty-nine thousand, four hundred fifty-three".