272320164 has 48 divisors (see below), whose sum is σ = 717998400. Its totient is φ = 89232768.

The previous prime is 272320133. The next prime is 272320171. The reversal of 272320164 is 461023272.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14997 + ... + 27740.

It is an arithmetic number, because the mean of its divisors is an integer number (14958300).

Almost surely, 2^272320164 is an apocalyptic number.

It is an amenable number.

272320164 is an abundant number, since it is smaller than the sum of its proper divisors (445678236).

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

272320164 is a wasteful number, since it uses less digits than its factorization.

272320164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42809 (or 42801 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 272320164 is about 16502.1260448465. The cubic root of 272320164 is about 648.1764779963.

It can be divided in two parts, 272320 and 164, that added together give a square (272484 = 522²).

The spelling of 272320164 in words is "two hundred seventy-two million, three hundred twenty thousand, one hundred sixty-four".