396107600666 has 32 divisors (see below), whose sum is σ = 630167202000. Its totient is φ = 186091241472.

The previous prime is 396107600657. The next prime is 396107600687. The reversal of 396107600666 is 666006701693.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 156081095041 + 240026505625 = 395071^2 + 489925^2 .

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, 60665690 + ... + 60672218.

Almost surely, 2^396107600666 is an apocalyptic number.

396107600666 is a deficient number, since it is larger than the sum of its proper divisors (234059601334).

396107600666 is a wasteful number, since it uses less digits than its factorization.

396107600666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 396107600666 in words is "three hundred ninety-six billion, one hundred seven million, six hundred thousand, six hundred sixty-six".