260116644 has 12 divisors (see below), whose sum is σ = 606938864. Its totient is φ = 86705544.

The previous prime is 260116607. The next prime is 260116657. The reversal of 260116644 is 446611062.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10838182 + ... + 10838205.

Almost surely, 2^260116644 is an apocalyptic number.

It is an amenable number.

260116644 is an abundant number, since it is smaller than the sum of its proper divisors (346822220).

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

260116644 is a wasteful number, since it uses less digits than its factorization.

260116644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676394 (or 21676392 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 260116644 is about 16128.1320679116. The cubic root of 260116644 is about 638.3458618766.

The spelling of 260116644 in words is "two hundred sixty million, one hundred sixteen thousand, six hundred forty-four".