163964892 has 48 divisors (see below), whose sum is σ = 470876672. Its totient is φ = 43243200.

The previous prime is 163964839. The next prime is 163964893. The reversal of 163964892 is 298469361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163964893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73984 + ... + 76167.

Almost surely, 2^163964892 is an apocalyptic number.

163964892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163964892 is an abundant number, since it is smaller than the sum of its proper divisors (306911780).

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

163964892 is a wasteful number, since it uses less digits than its factorization.

163964892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150178 (or 150176 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 163964892 is about 12804.8776643902. The cubic root of 163964892 is about 547.3313055890.

The spelling of 163964892 in words is "one hundred sixty-three million, nine hundred sixty-four thousand, eight hundred ninety-two".