260976366 has 96 divisors (see below), whose sum is σ = 661909248. Its totient is φ = 72783360.

The previous prime is 260976347. The next prime is 260976371. The reversal of 260976366 is 663679062.

260976366 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 7 + 636 + 6 = 666.

It is a super-2 number, since 2×260976366² = 136217327221131912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1601001 + ... + 1601163.

It is an arithmetic number, because the mean of its divisors is an integer number (6894888).

Almost surely, 2^260976366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260976366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330954624).

260976366 is an abundant number, since it is smaller than the sum of its proper divisors (400932882).

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

260976366 is a wasteful number, since it uses less digits than its factorization.

260976366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 260976366 is about 16154.7629509071. The cubic root of 260976366 is about 639.0483626984.

The spelling of 260976366 in words is "two hundred sixty million, nine hundred seventy-six thousand, three hundred sixty-six".