513250772616 has 96 divisors (see below), whose sum is σ = 1484373945600. Its totient is φ = 159855615360.

The previous prime is 513250772581. The next prime is 513250772627. The reversal of 513250772616 is 616277052315.

It is a happy number.

513250772616 is a `hidden beast` number, since 5 + 1 + 3 + 25 + 0 + 7 + 7 + 2 + 616 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3899946 + ... + 4029401.

It is an arithmetic number, because the mean of its divisors is an integer number (15462228600).

Almost surely, 2^513250772616 is an apocalyptic number.

It is an amenable number.

513250772616 is an abundant number, since it is smaller than the sum of its proper divisors (971123172984).

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

513250772616 is a wasteful number, since it uses less digits than its factorization.

513250772616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929419 (or 7929412 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 513250772616 in words is "five hundred thirteen billion, two hundred fifty million, seven hundred seventy-two thousand, six hundred sixteen".