1645600160564 has 96 divisors (see below), whose sum is σ = 3062863964160. Its totient is φ = 772044501888.

The previous prime is 1645600160563. The next prime is 1645600160579. The reversal of 1645600160564 is 4650610065461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645600160563) 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, 733659227 + ... + 733661469.

It is an arithmetic number, because the mean of its divisors is an integer number (31904832960).

Almost surely, 2^{1645600160564} is an apocalyptic number.

It is an amenable number.

1645600160564 is a deficient number, since it is larger than the sum of its proper divisors (1417263803596).

1645600160564 is a wasteful number, since it uses less digits than its factorization.

1645600160564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1645600160564 in words is "one trillion, six hundred forty-five billion, six hundred million, one hundred sixty thousand, five hundred sixty-four".