163950972 has 12 divisors (see below), whose sum is σ = 382552296. Its totient is φ = 54650320.

The previous prime is 163950967. The next prime is 163950973. The reversal of 163950972 is 279059361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163950973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831279 + ... + 6831302.

It is an arithmetic number, because the mean of its divisors is an integer number (31879358).

Almost surely, 2^163950972 is an apocalyptic number.

163950972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163950972 is an abundant number, since it is smaller than the sum of its proper divisors (218601324).

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

163950972 is a wasteful number, since it uses less digits than its factorization.

163950972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662588 (or 13662586 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 163950972 is about 12804.3341099801. The cubic root of 163950972 is about 547.3158163638.

The spelling of 163950972 in words is "one hundred sixty-three million, nine hundred fifty thousand, nine hundred seventy-two".