155960651 has 12 divisors (see below), whose sum is σ = 195918576. Its totient is φ = 121527120.

The previous prime is 155960639. The next prime is 155960653. The reversal of 155960651 is 156069551.

155960651 = 335² + 336² + ... + 796².

It is a happy number.

155960651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155960651 - 2¹⁰ = 155959627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155960653) 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, 91220 + ... + 92913.

It is an arithmetic number, because the mean of its divisors is an integer number (16326548).

Almost surely, 2^155960651 is an apocalyptic number.

155960651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155960651 is a deficient number, since it is larger than the sum of its proper divisors (39957925).

155960651 is a wasteful number, since it uses less digits than its factorization.

155960651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184162 (or 184151 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 155960651 is about 12488.4206767709. The cubic root of 155960651 is about 538.2759958571.

Subtracting 155960651 from its reverse (156069551), we obtain a square (108900 = 330²).

The spelling of 155960651 in words is "one hundred fifty-five million, nine hundred sixty thousand, six hundred fifty-one".