102660004836 has 27 divisors (see below), whose sum is σ = 259506538473. Its totient is φ = 34219360800.

The previous prime is 102660004823. The next prime is 102660004841. The reversal of 102660004836 is 638400066201.

The square root of 102660004836 is 320406.

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

102660004836 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 600 + 0 + 48 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18467179236 + 84192825600 = 135894^2 + 290160^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 102660004836.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1895736 + ... + 1949136.

Almost surely, 2^102660004836 is an apocalyptic number.

102660004836 is the 320406-th square number.

It is an amenable number.

102660004836 is an abundant number, since it is smaller than the sum of its proper divisors (156846533637).

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

102660004836 is an frugal number, since it uses more digits than its factorization.

102660004836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106812 (or 53406 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Multiplying 102660004836 by its sum of digits (36), we get a square (3695760174096 = 1922436²).

102660004836 divided by its sum of digits (36) gives a square (2851666801 = 53401²).

The spelling of 102660004836 in words is "one hundred two billion, six hundred sixty million, four thousand, eight hundred thirty-six".