656650151 has 2 divisors, whose sum is σ = 656650152. Its totient is φ = 656650150.

The previous prime is 656650147. The next prime is 656650157. The reversal of 656650151 is 151056656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 656650151 - 2² = 656650147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656650157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328325075 + 328325076.

It is an arithmetic number, because the mean of its divisors is an integer number (328325076).

Almost surely, 2^656650151 is an apocalyptic number.

656650151 is a deficient number, since it is larger than the sum of its proper divisors (1).

656650151 is an equidigital number, since it uses as much as digits as its factorization.

656650151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 656650151 is about 25625.1858724966. The cubic root of 656650151 is about 869.1832520691.

The spelling of 656650151 in words is "six hundred fifty-six million, six hundred fifty thousand, one hundred fifty-one".