653620716 has 72 divisors (see below), whose sum is σ = 1970352384. Its totient is φ = 178627680.

The previous prime is 653620697. The next prime is 653620733. The reversal of 653620716 is 617026356.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50590 + ... + 62181.

Almost surely, 2^653620716 is an apocalyptic number.

It is an amenable number.

653620716 is an abundant number, since it is smaller than the sum of its proper divisors (1316731668).

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

653620716 is a wasteful number, since it uses less digits than its factorization.

653620716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112811 (or 112806 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 653620716 is about 25566.0070405998. The cubic root of 653620716 is about 867.8445413082.

Subtracting from 653620716 its product of nonzero digits (45360), we obtain a palindrome (653575356).

The spelling of 653620716 in words is "six hundred fifty-three million, six hundred twenty thousand, seven hundred sixteen".