3678992664 has 64 divisors (see below), whose sum is σ = 9523008000. Its totient is φ = 1183002240.

The previous prime is 3678992659. The next prime is 3678992701. The reversal of 3678992664 is 4662998763.

3678992664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3678992598 and 3678992607.

It is a congruent number.

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, 1376049 + ... + 1378719.

It is an arithmetic number, because the mean of its divisors is an integer number (148797000).

Almost surely, 2^3678992664 is an apocalyptic number.

It is an amenable number.

3678992664 is an abundant number, since it is smaller than the sum of its proper divisors (5844015336).

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

3678992664 is a wasteful number, since it uses less digits than its factorization.

3678992664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688 (or 4684 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 60.

The square root of 3678992664 is about 60654.7002630464. The cubic root of 3678992664 is about 1543.7476421388.

The spelling of 3678992664 in words is "three billion, six hundred seventy-eight million, nine hundred ninety-two thousand, six hundred sixty-four".