656077166 has 4 divisors (see below), whose sum is σ = 984115752. Its totient is φ = 328038582.

The previous prime is 656077153. The next prime is 656077171. The reversal of 656077166 is 661770656.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164019290 + ... + 164019293.

It is an arithmetic number, because the mean of its divisors is an integer number (246028938).

Almost surely, 2^656077166 is an apocalyptic number.

656077166 is a deficient number, since it is larger than the sum of its proper divisors (328038586).

656077166 is a wasteful number, since it uses less digits than its factorization.

656077166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328038585.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 656077166 is about 25614.0033184975. The cubic root of 656077166 is about 868.9303655596.

The spelling of 656077166 in words is "six hundred fifty-six million, seventy-seven thousand, one hundred sixty-six".