260216577 has 16 divisors (see below), whose sum is σ = 386774080. Its totient is φ = 172907136.

The previous prime is 260216461. The next prime is 260216587. The reversal of 260216577 is 775612062.

260216577 is a `hidden beast` number, since 2 + 60 + 21 + 6 + 577 = 666.

It is not a de Polignac number, because 260216577 - 2⁸ = 260216321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260216587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7408 + ... + 23985.

It is an arithmetic number, because the mean of its divisors is an integer number (24173380).

Almost surely, 2^260216577 is an apocalyptic number.

260216577 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

260216577 is a deficient number, since it is larger than the sum of its proper divisors (126557503).

260216577 is a wasteful number, since it uses less digits than its factorization.

260216577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31709 (or 31703 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 260216577 is about 16131.2298663183. The cubic root of 260216577 is about 638.4275991163.

The spelling of 260216577 in words is "two hundred sixty million, two hundred sixteen thousand, five hundred seventy-seven".