163194605964 has 54 divisors (see below), whose sum is σ = 446692944516. Its totient is φ = 50213723040.

The previous prime is 163194605933. The next prime is 163194606049. The reversal of 163194605964 is 469506491361.

It is a happy number.

163194605964 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 9 + 46 + 0 + 596 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 163194605964.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13405702 + ... + 13417869.

Almost surely, 2^163194605964 is an apocalyptic number.

It is an amenable number.

163194605964 is an abundant number, since it is smaller than the sum of its proper divisors (283498338552).

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

163194605964 is a wasteful number, since it uses less digits than its factorization.

163194605964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26823607 (or 26823589 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 163194605964 in words is "one hundred sixty-three billion, one hundred ninety-four million, six hundred five thousand, nine hundred sixty-four".