168472684185 has 16 divisors (see below), whose sum is σ = 290291394624. Its totient is φ = 82940398272.

The previous prime is 168472684139. The next prime is 168472684207. The reversal of 168472684185 is 581486274861.

It is a happy number.

It is not a de Polignac number, because 168472684185 - 2¹⁴ = 168472667801 is a prime.

It is a super-2 number, since 2×168472684185² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431981047 + ... + 431981436.

It is an arithmetic number, because the mean of its divisors is an integer number (18143212164).

Almost surely, 2^168472684185 is an apocalyptic number.

168472684185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168472684185 is a deficient number, since it is larger than the sum of its proper divisors (121818710439).

168472684185 is a wasteful number, since it uses less digits than its factorization.

168472684185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863962504.

The product of its digits is 20643840, while the sum is 60.

The spelling of 168472684185 in words is "one hundred sixty-eight billion, four hundred seventy-two million, six hundred eighty-four thousand, one hundred eighty-five".