5816661658 has 16 divisors (see below), whose sum is σ = 8756171424. Its totient is φ = 2897957520.

The previous prime is 5816661637. The next prime is 5816661667. The reversal of 5816661658 is 8561666185.

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, 666016 + ... + 674692.

It is an arithmetic number, because the mean of its divisors is an integer number (547260714).

Almost surely, 2^5816661658 is an apocalyptic number.

5816661658 is a deficient number, since it is larger than the sum of its proper divisors (2939509766).

5816661658 is a wasteful number, since it uses less digits than its factorization.

5816661658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837.

The product of its digits is 2073600, while the sum is 52.

The square root of 5816661658 is about 76267.0417546138. The cubic root of 5816661658 is about 1798.4205958380.

The spelling of 5816661658 in words is "five billion, eight hundred sixteen million, six hundred sixty-one thousand, six hundred fifty-eight".