272111664 has 80 divisors (see below), whose sum is σ = 772164864. Its totient is φ = 81888000.

The previous prime is 272111659. The next prime is 272111677. The reversal of 272111664 is 466111272.

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, 78022 + ... + 81434.

Almost surely, 2^272111664 is an apocalyptic number.

272111664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272111664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386082432).

272111664 is an abundant number, since it is smaller than the sum of its proper divisors (500053200).

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

272111664 is a wasteful number, since it uses less digits than its factorization.

272111664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3580 counting only the distinct ones).

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

The square root of 272111664 is about 16495.8074673536. The cubic root of 272111664 is about 648.0110118537.

The spelling of 272111664 in words is "two hundred seventy-two million, one hundred eleven thousand, six hundred sixty-four".