163707964 has 24 divisors (see below), whose sum is σ = 327786368. Its totient is φ = 70081200.

The previous prime is 163707941. The next prime is 163707979. The reversal of 163707964 is 469707361.

It is a self number, because there is not a number n which added to its sum of digits gives 163707964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26647 + ... + 32209.

Almost surely, 2^163707964 is an apocalyptic number.

163707964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163707964 is an abundant number, since it is smaller than the sum of its proper divisors (164078404).

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

163707964 is a wasteful number, since it uses less digits than its factorization.

163707964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625 (or 6623 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 163707964 is about 12794.8413042132. The cubic root of 163707964 is about 547.0452722975.

The spelling of 163707964 in words is "one hundred sixty-three million, seven hundred seven thousand, nine hundred sixty-four".