652638636606 has 16 divisors (see below), whose sum is σ = 1423938843648. Its totient is φ = 197769283800.

The previous prime is 652638636593. The next prime is 652638636619. The reversal of 652638636606 is 606636836256.

It is an interprime number because it is at equal distance from previous prime (652638636593) and next prime (652638636619).

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, 4944232030 + ... + 4944232161.

It is an arithmetic number, because the mean of its divisors is an integer number (88996177728).

Almost surely, 2^652638636606 is an apocalyptic number.

652638636606 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

652638636606 is an abundant number, since it is smaller than the sum of its proper divisors (771300207042).

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

652638636606 is a wasteful number, since it uses less digits than its factorization.

652638636606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9888464207.

The product of its (nonzero) digits is 33592320, while the sum is 57.

The spelling of 652638636606 in words is "six hundred fifty-two billion, six hundred thirty-eight million, six hundred thirty-six thousand, six hundred six".