656672162 has 8 divisors (see below), whose sum is σ = 985672476. Its totient is φ = 328114672.

The previous prime is 656672119. The next prime is 656672197. The reversal of 656672162 is 261276656.

It can be written as a sum of positive squares in 2 ways, for example, as 548074921 + 108597241 = 23411^2 + 10421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106973 + ... + 112944.

Almost surely, 2^656672162 is an apocalyptic number.

656672162 is a deficient number, since it is larger than the sum of its proper divisors (329000314).

656672162 is a wasteful number, since it uses less digits than its factorization.

656672162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221412.

The product of its digits is 181440, while the sum is 41.

The square root of 656672162 is about 25625.6153487092. The cubic root of 656672162 is about 869.1929636732.

The spelling of 656672162 in words is "six hundred fifty-six million, six hundred seventy-two thousand, one hundred sixty-two".