474917999616 has 132 divisors (see below), whose sum is σ = 1382116582912. Its totient is φ = 157059108864.

The previous prime is 474917999603. The next prime is 474917999701. The reversal of 474917999616 is 616999719474.

474917999616 is a `hidden beast` number, since 4 + 7 + 491 + 79 + 9 + 9 + 61 + 6 = 666.

It is a super-2 number, since 2×474917999616² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 967551 + ... + 1373313.

Almost surely, 2^474917999616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474917999616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691058291456).

474917999616 is an abundant number, since it is smaller than the sum of its proper divisors (907198583296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

474917999616 is a wasteful number, since it uses less digits than its factorization.

474917999616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405916 (or 405895 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The spelling of 474917999616 in words is "four hundred seventy-four billion, nine hundred seventeen million, nine hundred ninety-nine thousand, six hundred sixteen".