475153664 has 18 divisors (see below), whose sum is σ = 948451770. Its totient is φ = 237576704.

The previous prime is 475153631. The next prime is 475153687. The reversal of 475153664 is 466351574.

It can be written as a sum of positive squares in only one way, i.e., 284934400 + 190219264 = 16880^2 + 13792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927779 + ... + 928290.

It is an arithmetic number, because the mean of its divisors is an integer number (52691765).

Almost surely, 2^475153664 is an apocalyptic number.

It is an amenable number.

475153664 is a deficient number, since it is larger than the sum of its proper divisors (473298106).

475153664 is an equidigital number, since it uses as much as digits as its factorization.

475153664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856085 (or 1856071 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 475153664 is about 21798.0197265715. The cubic root of 475153664 is about 780.3295035636.

The spelling of 475153664 in words is "four hundred seventy-five million, one hundred fifty-three thousand, six hundred sixty-four".