3686625976320 has 1344 divisors, whose sum is σ = 15103857300480. Its totient is φ = 814391230464.

The previous prime is 3686625976309. The next prime is 3686625976441. The reversal of 3686625976320 is 236795266863.

3686625976320 is a `hidden beast` number, since 3 + 6 + 8 + 6 + 6 + 2 + 597 + 6 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×3686625976320² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13704929146 + ... + 13704929414.

Almost surely, 2^{3686625976320} is an apocalyptic number.

3686625976320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3686625976320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7551928650240).

3686625976320 is an abundant number, since it is smaller than the sum of its proper divisors (11417231324160).

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

3686625976320 is a wasteful number, since it uses less digits than its factorization.

3686625976320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 3686625976320 in words is "three trillion, six hundred eighty-six billion, six hundred twenty-five million, nine hundred seventy-six thousand, three hundred twenty".