163474591659 has 16 divisors (see below), whose sum is σ = 224225983488. Its totient is φ = 105862838112.

The previous prime is 163474591649. The next prime is 163474591673. The reversal of 163474591659 is 956195474361.

It is a happy number.

It is not a de Polignac number, because 163474591659 - 2²⁸ = 163206156203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163474591639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145757 + ... + 1280510.

It is an arithmetic number, because the mean of its divisors is an integer number (14014123968).

Almost surely, 2^163474591659 is an apocalyptic number.

163474591659 is a deficient number, since it is larger than the sum of its proper divisors (60751391829).

163474591659 is a wasteful number, since it uses less digits than its factorization.

163474591659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426914.

The product of its digits is 24494400, while the sum is 60.

The spelling of 163474591659 in words is "one hundred sixty-three billion, four hundred seventy-four million, five hundred ninety-one thousand, six hundred fifty-nine".