3669716855808 has 176 divisors, whose sum is σ = 11002104570720. Its totient is φ = 1223238205440.

The previous prime is 3669716855767. The next prime is 3669716855813. The reversal of 3669716855808 is 8085586179663.

It is a happy number.

3669716855808 is a `hidden beast` number, since 3 + 6 + 6 + 9 + 7 + 1 + 68 + 558 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420168 + ... + 3058808.

Almost surely, 2^{3669716855808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3669716855808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5501052285360).

3669716855808 is an abundant number, since it is smaller than the sum of its proper divisors (7332387714912).

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

3669716855808 is an frugal number, since it uses more digits than its factorization.

3669716855808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638682 (or 1638646 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 3669716855808 in words is "three trillion, six hundred sixty-nine billion, seven hundred sixteen million, eight hundred fifty-five thousand, eight hundred eight".