260668156 has 12 divisors (see below), whose sum is σ = 521336368. Its totient is φ = 111714912.

The previous prime is 260668139. The next prime is 260668207. The reversal of 260668156 is 651866062.

260668156 is an admirable number.

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, 4654761 + ... + 4654816.

Almost surely, 2^260668156 is an apocalyptic number.

It is an amenable number.

260668156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

260668156 is a wasteful number, since it uses less digits than its factorization.

260668156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309588 (or 9309586 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 260668156 is about 16145.2208408557. The cubic root of 260668156 is about 638.7966940818.

The spelling of 260668156 in words is "two hundred sixty million, six hundred sixty-eight thousand, one hundred fifty-six".