1653245604 has 36 divisors (see below), whose sum is σ = 4182307584. Its totient is φ = 550650672.

The previous prime is 1653245603. The next prime is 1653245617. The reversal of 1653245604 is 4065423561.

1653245604 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 2 + 45 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1653245603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30469 + ... + 65075.

Almost surely, 2^1653245604 is an apocalyptic number.

It is an amenable number.

1653245604 is an abundant number, since it is smaller than the sum of its proper divisors (2529061980).

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

1653245604 is a wasteful number, since it uses less digits than its factorization.

1653245604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35944 (or 35939 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1653245604 is about 40660.1230199811. The cubic root of 1653245604 is about 1182.4400347430.

The spelling of 1653245604 in words is "one billion, six hundred fifty-three million, two hundred forty-five thousand, six hundred four".