653815064 has 32 divisors (see below), whose sum is σ = 1406052000. Its totient is φ = 279202560.

The previous prime is 653815037. The next prime is 653815103. The reversal of 653815064 is 460518356.

653815064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039 + ... + 36510.

It is an arithmetic number, because the mean of its divisors is an integer number (43939125).

Almost surely, 2^653815064 is an apocalyptic number.

It is an amenable number.

653815064 is an abundant number, since it is smaller than the sum of its proper divisors (752236936).

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

653815064 is a wasteful number, since it uses less digits than its factorization.

653815064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41843 (or 41839 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 653815064 is about 25569.8076645093. The cubic root of 653815064 is about 867.9305479339.

The spelling of 653815064 in words is "six hundred fifty-three million, eight hundred fifteen thousand, sixty-four".