604121656 has 16 divisors (see below), whose sum is σ = 1199359440. Its totient is φ = 284292480.

The previous prime is 604121653. The next prime is 604121669. The reversal of 604121656 is 656121406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604121653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220900 + ... + 2221171.

It is an arithmetic number, because the mean of its divisors is an integer number (74959965).

Almost surely, 2^604121656 is an apocalyptic number.

It is an amenable number.

604121656 is a deficient number, since it is larger than the sum of its proper divisors (595237784).

604121656 is a wasteful number, since it uses less digits than its factorization.

604121656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442094 (or 4442090 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 604121656 is about 24578.8863864903. The cubic root of 604121656 is about 845.3595594091.

The spelling of 604121656 in words is "six hundred four million, one hundred twenty-one thousand, six hundred fifty-six".