653020320316 has 72 divisors (see below), whose sum is σ = 1432135864320. Its totient is φ = 255067465536.

The previous prime is 653020320287. The next prime is 653020320373. The reversal of 653020320316 is 613023020356.

It is a happy number.

It is a super-2 number, since 2×653020320316² (a number of 24 digits) contains 22 as substring.

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, 499596 + ... + 1247251.

Almost surely, 2^653020320316 is an apocalyptic number.

It is an amenable number.

653020320316 is an abundant number, since it is smaller than the sum of its proper divisors (779115544004).

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

653020320316 is a wasteful number, since it uses less digits than its factorization.

653020320316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746963 (or 1746948 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 653020320316 in words is "six hundred fifty-three billion, twenty million, three hundred twenty thousand, three hundred sixteen".