475271615668 has 24 divisors (see below), whose sum is σ = 851883586400. Its totient is φ = 231941384928.

The previous prime is 475271615633. The next prime is 475271615681. The reversal of 475271615668 is 866516172574.

It is a super-2 number, since 2×475271615668² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105658 + ... + 8164081.

Almost surely, 2^475271615668 is an apocalyptic number.

It is an amenable number.

475271615668 is a deficient number, since it is larger than the sum of its proper divisors (376611970732).

475271615668 is a wasteful number, since it uses less digits than its factorization.

475271615668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16269919 (or 16269917 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 58.

The spelling of 475271615668 in words is "four hundred seventy-five billion, two hundred seventy-one million, six hundred fifteen thousand, six hundred sixty-eight".