16432571325247 has 128 divisors (see below), whose sum is σ = 22730194206720. Its totient is φ = 11493892224000.

The previous prime is 16432571325241. The next prime is 16432571325281. The reversal of 16432571325247 is 74252317523461.

It is not a de Polignac number, because 16432571325247 - 2³ = 16432571325239 is a prime.

It is a super-2 number, since 2×16432571325247² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16432571325194 and 16432571325203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432571325241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1267254358 + ... + 1267267324.

It is an arithmetic number, because the mean of its divisors is an integer number (177579642240).

Almost surely, 2^{16432571325247} is an apocalyptic number.

16432571325247 is a deficient number, since it is larger than the sum of its proper divisors (6297622881473).

16432571325247 is a wasteful number, since it uses less digits than its factorization.

16432571325247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653.

The product of its digits is 8467200, while the sum is 52.

The spelling of 16432571325247 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventy-one million, three hundred twenty-five thousand, two hundred forty-seven".