130616661 has 32 divisors (see below), whose sum is σ = 212226048. Its totient is φ = 69753600.

The previous prime is 130616657. The next prime is 130616663. The reversal of 130616661 is 166616031.

It is not a de Polignac number, because 130616661 - 2² = 130616657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130616663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52696 + ... + 55118.

It is an arithmetic number, because the mean of its divisors is an integer number (6632064).

Almost surely, 2^130616661 is an apocalyptic number.

It is an amenable number.

130616661 is a deficient number, since it is larger than the sum of its proper divisors (81609387).

130616661 is a wasteful number, since it uses less digits than its factorization.

130616661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 130616661 is about 11428.7646314026. The cubic root of 130616661 is about 507.3794334509.

The spelling of 130616661 in words is "one hundred thirty million, six hundred sixteen thousand, six hundred sixty-one".