652731132656 has 20 divisors (see below), whose sum is σ = 1267968582912. Its totient is φ = 325513433856.

The previous prime is 652731132653. The next prime is 652731132673. The reversal of 652731132656 is 656231137256.

It is a super-2 number, since 2×652731132656² (a number of 24 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 652731132656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652731132653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53251961 + ... + 53264216.

Almost surely, 2^652731132656 is an apocalyptic number.

It is an amenable number.

652731132656 is a deficient number, since it is larger than the sum of its proper divisors (615237450256).

652731132656 is a wasteful number, since it uses less digits than its factorization.

652731132656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106516568 (or 106516562 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 47.

The spelling of 652731132656 in words is "six hundred fifty-two billion, seven hundred thirty-one million, one hundred thirty-two thousand, six hundred fifty-six".