101639830564 has 24 divisors (see below), whose sum is σ = 186342666048. Its totient is φ = 48416676000.

The previous prime is 101639830559. The next prime is 101639830577. The reversal of 101639830564 is 465038936101.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 2177667 + ... + 2223850.

It is an arithmetic number, because the mean of its divisors is an integer number (7764277752).

Almost surely, 2^101639830564 is an apocalyptic number.

It is an amenable number.

101639830564 is a deficient number, since it is larger than the sum of its proper divisors (84702835484).

101639830564 is a wasteful number, since it uses less digits than its factorization.

101639830564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401795 (or 4401793 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 101639830564 in words is "one hundred one billion, six hundred thirty-nine million, eight hundred thirty thousand, five hundred sixty-four".