102372021824836 has 27 divisors (see below), whose sum is σ = 180350709188223. Its totient is φ = 50845513021800.

The previous prime is 102372021824773. The next prime is 102372021824887. The reversal of 102372021824836 is 638428120273201.

The square root of 102372021824836 is 10117906.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102372021824836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3055590861 + ... + 3055624363.

Almost surely, 2^{102372021824836} is an apocalyptic number.

102372021824836 is the 10117906-th square number.

It is an amenable number.

102372021824836 is a deficient number, since it is larger than the sum of its proper divisors (77978687363387).

102372021824836 is an frugal number, since it uses more digits than its factorization.

102372021824836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67312 (or 33656 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 102372021824836 in words is "one hundred two trillion, three hundred seventy-two billion, twenty-one million, eight hundred twenty-four thousand, eight hundred thirty-six".