14172591906 has 48 divisors (see below), whose sum is σ = 33552237888. Its totient is φ = 4287880800.

The previous prime is 14172591899. The next prime is 14172591907. The reversal of 14172591906 is 60919527141.

It is a super-2 number, since 2×14172591906² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14172591907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68220 + ... + 181656.

It is an arithmetic number, because the mean of its divisors is an integer number (699004956).

Almost surely, 2^14172591906 is an apocalyptic number.

14172591906 is an abundant number, since it is smaller than the sum of its proper divisors (19379645982).

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

14172591906 is a wasteful number, since it uses less digits than its factorization.

14172591906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114087 (or 114084 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 14172591906 in words is "fourteen billion, one hundred seventy-two million, five hundred ninety-one thousand, nine hundred six".