656169230 has 16 divisors (see below), whose sum is σ = 1250581680. Its totient is φ = 247028352.

The previous prime is 656169229. The next prime is 656169233. The reversal of 656169230 is 32961656.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656169233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929740 + ... + 1930079.

It is an arithmetic number, because the mean of its divisors is an integer number (78161355).

Almost surely, 2^656169230 is an apocalyptic number.

656169230 is a deficient number, since it is larger than the sum of its proper divisors (594412450).

656169230 is a wasteful number, since it uses less digits than its factorization.

656169230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859843.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 656169230 is about 25615.8003974110. The cubic root of 656169230 is about 868.9710078640.

The spelling of 656169230 in words is "six hundred fifty-six million, one hundred sixty-nine thousand, two hundred thirty".