16432520134172 has 12 divisors (see below), whose sum is σ = 28949909633400. Its totient is φ = 8161117381776.

The previous prime is 16432520134171. The next prime is 16432520134189. The reversal of 16432520134172 is 27143102523461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432520134171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13785670658 + ... + 13785671849.

It is an arithmetic number, because the mean of its divisors is an integer number (2412492469450).

Almost surely, 2^{16432520134172} is an apocalyptic number.

It is an amenable number.

16432520134172 is a deficient number, since it is larger than the sum of its proper divisors (12517389499228).

16432520134172 is a wasteful number, since it uses less digits than its factorization.

16432520134172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571342660 (or 27571342658 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 16432520134172 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty million, one hundred thirty-four thousand, one hundred seventy-two".