656201623080 has 32 divisors (see below), whose sum is σ = 1968604869600. Its totient is φ = 174987099456.

The previous prime is 656201623079. The next prime is 656201623081. The reversal of 656201623080 is 80326102656.

It is an interprime number because it is at equal distance from previous prime (656201623079) and next prime (656201623081).

It is not an unprimeable number, because it can be changed into a prime (656201623081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734173310 + ... + 2734173549.

It is an arithmetic number, because the mean of its divisors is an integer number (61518902175).

Almost surely, 2^656201623080 is an apocalyptic number.

656201623080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

656201623080 is an abundant number, since it is smaller than the sum of its proper divisors (1312403246520).

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

656201623080 is a wasteful number, since it uses less digits than its factorization.

656201623080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468346873 (or 5468346869 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 656201623080 in words is "six hundred fifty-six billion, two hundred one million, six hundred twenty-three thousand, eighty".