815361606 has 16 divisors (see below), whose sum is σ = 1811914800. Its totient is φ = 271787184.

The previous prime is 815361581. The next prime is 815361623. The reversal of 815361606 is 606163518.

It is a happy number.

815361606 is a `hidden beast` number, since 8 + 15 + 36 + 1 + 606 = 666.

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, 7549591 + ... + 7549698.

It is an arithmetic number, because the mean of its divisors is an integer number (113244675).

Almost surely, 2^815361606 is an apocalyptic number.

815361606 is an abundant number, since it is smaller than the sum of its proper divisors (996553194).

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

815361606 is a wasteful number, since it uses less digits than its factorization.

815361606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099300 (or 15099294 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 815361606 is about 28554.5373977587. The cubic root of 815361606 is about 934.2219903752.

The spelling of 815361606 in words is "eight hundred fifteen million, three hundred sixty-one thousand, six hundred six".