656015061 has 16 divisors (see below), whose sum is σ = 974453760. Its totient is φ = 389780160.

The previous prime is 656015051. The next prime is 656015077. The reversal of 656015061 is 160510656.

It is not a de Polignac number, because 656015061 - 2⁵ = 656015029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656015051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288885 + ... + 291146.

It is an arithmetic number, because the mean of its divisors is an integer number (60903360).

Almost surely, 2^656015061 is an apocalyptic number.

It is an amenable number.

656015061 is a deficient number, since it is larger than the sum of its proper divisors (318438699).

656015061 is a wasteful number, since it uses less digits than its factorization.

656015061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580076.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 656015061 is about 25612.7909646723. The cubic root of 656015061 is about 868.9029467203.

The spelling of 656015061 in words is "six hundred fifty-six million, fifteen thousand, sixty-one".