270881664 has 32 divisors (see below), whose sum is σ = 719530440. Its totient is φ = 90293760.

The previous prime is 270881647. The next prime is 270881687. The reversal of 270881664 is 466188072.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352327 + ... + 353094.

Almost surely, 2^270881664 is an apocalyptic number.

270881664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

270881664 is an abundant number, since it is smaller than the sum of its proper divisors (448648776).

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

270881664 is an equidigital number, since it uses as much as digits as its factorization.

270881664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705438 (or 705426 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 270881664 is about 16458.4830406693. The cubic root of 270881664 is about 647.0331565304.

The spelling of 270881664 in words is "two hundred seventy million, eight hundred eighty-one thousand, six hundred sixty-four".