163790964 has 24 divisors (see below), whose sum is σ = 424643520. Its totient is φ = 54596952.

The previous prime is 163790951. The next prime is 163790969. The reversal of 163790964 is 469097361.

163790964 is a `hidden beast` number, since 1 + 637 + 9 + 0 + 9 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163790969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758184 + ... + 758399.

It is an arithmetic number, because the mean of its divisors is an integer number (17693480).

Almost surely, 2^163790964 is an apocalyptic number.

It is an amenable number.

163790964 is an abundant number, since it is smaller than the sum of its proper divisors (260852556).

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

163790964 is a wasteful number, since it uses less digits than its factorization.

163790964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516596 (or 1516588 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 163790964 is about 12798.0843879074. The cubic root of 163790964 is about 547.1377073980.

The spelling of 163790964 in words is "one hundred sixty-three million, seven hundred ninety thousand, nine hundred sixty-four".