108638970692004 has 243 divisors, whose sum is σ = 293494638427627. Its totient is φ = 33880426613088.

The previous prime is 108638970691991. The next prime is 108638970692047. The reversal of 108638970692004 is 400296079836801.

The square root of 108638970692004 is 10423002.

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

108638970692004 is a `hidden beast` number, since 108 + 6 + 389 + 70 + 69 + 20 + 0 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 67603590169 + ... + 67603591775.

Almost surely, 2^{108638970692004} is an apocalyptic number.

108638970692004 is the 10423002-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108638970692004

108638970692004 is an abundant number, since it is smaller than the sum of its proper divisors (184855667735623).

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

108638970692004 is an equidigital number, since it uses as much as digits as its factorization.

108638970692004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 108638970692004 in words is "one hundred eight trillion, six hundred thirty-eight billion, nine hundred seventy million, six hundred ninety-two thousand, four".