64153362645 has 24 divisors (see below), whose sum is σ = 111205785600. Its totient is φ = 34213088736.

The previous prime is 64153362617. The next prime is 64153362671. The reversal of 64153362645 is 54626335146.

64153362645 is a `hidden beast` number, since 6 + 4 + 15 + 3 + 3 + 626 + 4 + 5 = 666.

It is not a de Polignac number, because 64153362645 - 2²⁵ = 64119808213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64153362645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1005816 + ... + 1067694.

It is an arithmetic number, because the mean of its divisors is an integer number (4633574400).

Almost surely, 2^64153362645 is an apocalyptic number.

It is an amenable number.

64153362645 is a deficient number, since it is larger than the sum of its proper divisors (47052422955).

64153362645 is a wasteful number, since it uses less digits than its factorization.

64153362645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84929 (or 84926 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 64153362645 in words is "sixty-four billion, one hundred fifty-three million, three hundred sixty-two thousand, six hundred forty-five".