818130652 has 24 divisors (see below), whose sum is σ = 1508133200. Its totient is φ = 387265536.

The previous prime is 818130647. The next prime is 818130673. The reversal of 818130652 is 256031818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144124 + ... + 149692.

Almost surely, 2^818130652 is an apocalyptic number.

It is an amenable number.

818130652 is a deficient number, since it is larger than the sum of its proper divisors (690002548).

818130652 is a wasteful number, since it uses less digits than its factorization.

818130652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 818130652 is about 28602.9832709807. The cubic root of 818130652 is about 935.2783645049.

The spelling of 818130652 in words is "eight hundred eighteen million, one hundred thirty thousand, six hundred fifty-two".