260381656 has 32 divisors (see below), whose sum is σ = 524035440. Its totient is φ = 120849408.

The previous prime is 260381651. The next prime is 260381663. The reversal of 260381656 is 656183062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260381651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186 + ... + 23041.

Almost surely, 2^260381656 is an apocalyptic number.

It is an amenable number.

260381656 is an abundant number, since it is smaller than the sum of its proper divisors (263653784).

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

260381656 is a wasteful number, since it uses less digits than its factorization.

260381656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26323 (or 26319 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 260381656 is about 16136.3458069044. The cubic root of 260381656 is about 638.5625747744.

The spelling of 260381656 in words is "two hundred sixty million, three hundred eighty-one thousand, six hundred fifty-six".