260132656 has 40 divisors (see below), whose sum is σ = 594596864. Its totient is φ = 107887680.

The previous prime is 260132647. The next prime is 260132669. The reversal of 260132656 is 656231062.

It is a super-2 number, since 2×260132656² = 135337997435228672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33990 + ... + 40933.

Almost surely, 2^260132656 is an apocalyptic number.

It is an amenable number.

260132656 is an abundant number, since it is smaller than the sum of its proper divisors (334464208).

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

260132656 is a wasteful number, since it uses less digits than its factorization.

260132656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74969 (or 74963 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 260132656 is about 16128.6284599776. The cubic root of 260132656 is about 638.3589598264.

The spelling of 260132656 in words is "two hundred sixty million, one hundred thirty-two thousand, six hundred fifty-six".