16476229665 has 48 divisors (see below), whose sum is σ = 33304752000. Its totient is φ = 7531983648.

The previous prime is 16476229663. The next prime is 16476229667. The reversal of 16476229665 is 56692267461.

16476229665 is a `hidden beast` number, since 1 + 6 + 4 + 7 + 622 + 9 + 6 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16476229663) and next prime (16476229667).

It is not a de Polignac number, because 16476229665 - 2¹ = 16476229663 is a prime.

It is a super-2 number, since 2×16476229665² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16476229663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518295 + ... + 549164.

It is an arithmetic number, because the mean of its divisors is an integer number (693849000).

Almost surely, 2^16476229665 is an apocalyptic number.

16476229665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16476229665 is an abundant number, since it is smaller than the sum of its proper divisors (16828522335).

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

16476229665 is a wasteful number, since it uses less digits than its factorization.

16476229665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067491 (or 1067474 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 16476229665 in words is "sixteen billion, four hundred seventy-six million, two hundred twenty-nine thousand, six hundred sixty-five".