163465272 has 48 divisors (see below), whose sum is σ = 443373840. Its totient is φ = 54407808.

The previous prime is 163465241. The next prime is 163465277. The reversal of 163465272 is 272564361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163465277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66253 + ... + 68675.

It is an arithmetic number, because the mean of its divisors is an integer number (9236955).

Almost surely, 2^163465272 is an apocalyptic number.

163465272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163465272 is an abundant number, since it is smaller than the sum of its proper divisors (279908568).

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

163465272 is a wasteful number, since it uses less digits than its factorization.

163465272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3365 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 163465272 is about 12785.3538081666. The cubic root of 163465272 is about 546.7748126977.

The spelling of 163465272 in words is "one hundred sixty-three million, four hundred sixty-five thousand, two hundred seventy-two".