1659158616 has 32 divisors (see below), whose sum is σ = 4190664240. Its totient is φ = 547350528.

The previous prime is 1659158593. The next prime is 1659158617. The reversal of 1659158616 is 6168519561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1659158617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354021 + ... + 358676.

Almost surely, 2^1659158616 is an apocalyptic number.

It is an amenable number.

1659158616 is an abundant number, since it is smaller than the sum of its proper divisors (2531505624).

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

1659158616 is a wasteful number, since it uses less digits than its factorization.

1659158616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712803 (or 712799 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The square root of 1659158616 is about 40732.7707871684. The cubic root of 1659158616 is about 1183.8480657093.

The spelling of 1659158616 in words is "one billion, six hundred fifty-nine million, one hundred fifty-eight thousand, six hundred sixteen".