168692944869 has 40 divisors (see below), whose sum is σ = 260209923072. Its totient is φ = 108799498080.

The previous prime is 168692944859. The next prime is 168692944879. The reversal of 168692944869 is 968449296861.

168692944869 is a `hidden beast` number, since 1 + 68 + 69 + 2 + 9 + 448 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (168692944859) and next prime (168692944879).

It is not a de Polignac number, because 168692944869 - 2⁴ = 168692944853 is a prime.

It is a super-2 number, since 2×168692944869² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168692944797 and 168692944806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168692944859) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9590767 + ... + 9608339.

Almost surely, 2^168692944869 is an apocalyptic number.

It is an amenable number.

168692944869 is a deficient number, since it is larger than the sum of its proper divisors (91516978203).

168692944869 is a wasteful number, since it uses less digits than its factorization.

168692944869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439 (or 21430 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 72.

The spelling of 168692944869 in words is "one hundred sixty-eight billion, six hundred ninety-two million, nine hundred forty-four thousand, eight hundred sixty-nine".