272161308 has 24 divisors (see below), whose sum is σ = 637580160. Its totient is φ = 90358000.

The previous prime is 272161283. The next prime is 272161363. The reversal of 272161308 is 803161272.

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, 42168 + ... + 48191.

It is an arithmetic number, because the mean of its divisors is an integer number (26565840).

Almost surely, 2^272161308 is an apocalyptic number.

It is an amenable number.

272161308 is an abundant number, since it is smaller than the sum of its proper divisors (365418852).

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

272161308 is a wasteful number, since it uses less digits than its factorization.

272161308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90617 (or 90615 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 272161308 is about 16497.3121447101. The cubic root of 272161308 is about 648.0504171259.

The spelling of 272161308 in words is "two hundred seventy-two million, one hundred sixty-one thousand, three hundred eight".