660116151 has 12 divisors (see below), whose sum is σ = 966563728. Its totient is φ = 434048544.

The previous prime is 660116147. The next prime is 660116153. The reversal of 660116151 is 151611066.

660116151 is a `hidden beast` number, since 6 + 601 + 1 + 6 + 1 + 51 = 666.

It is not a de Polignac number, because 660116151 - 2² = 660116147 is a prime.

It is a super-2 number, since 2×660116151² = 871506665622109602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660116153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501715 + ... + 503028.

Almost surely, 2^660116151 is an apocalyptic number.

660116151 is a deficient number, since it is larger than the sum of its proper divisors (306447577).

660116151 is a wasteful number, since it uses less digits than its factorization.

660116151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004822 (or 1004819 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 660116151 is about 25692.7256436525. The cubic root of 660116151 is about 870.7098408118.

The spelling of 660116151 in words is "six hundred sixty million, one hundred sixteen thousand, one hundred fifty-one".