1652657472 has 56 divisors (see below), whose sum is σ = 4858512000. Its totient is φ = 550885248.

The previous prime is 1652657471. The next prime is 1652657483. The reversal of 1652657472 is 2747562561.

1652657472 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 6 + 574 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652657471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476472 + ... + 479927.

Almost surely, 2^1652657472 is an apocalyptic number.

1652657472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1652657472 is an abundant number, since it is smaller than the sum of its proper divisors (3205854528).

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

1652657472 is an equidigital number, since it uses as much as digits as its factorization.

1652657472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956420 (or 956404 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1652657472 is about 40652.8900817642. The cubic root of 1652657472 is about 1182.2998028456.

The spelling of 1652657472 in words is "one billion, six hundred fifty-two million, six hundred fifty-seven thousand, four hundred seventy-two".