656136167 has 2 divisors, whose sum is σ = 656136168. Its totient is φ = 656136166.

The previous prime is 656136149. The next prime is 656136181. The reversal of 656136167 is 761631656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656136167 - 2¹⁶ = 656070631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656132167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328068083 + 328068084.

It is an arithmetic number, because the mean of its divisors is an integer number (328068084).

Almost surely, 2^656136167 is an apocalyptic number.

656136167 is a deficient number, since it is larger than the sum of its proper divisors (1).

656136167 is an equidigital number, since it uses as much as digits as its factorization.

656136167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 656136167 is about 25615.1550258826. The cubic root of 656136167 is about 868.9564124061.

The spelling of 656136167 in words is "six hundred fifty-six million, one hundred thirty-six thousand, one hundred sixty-seven".