16174457645 has 32 divisors (see below), whose sum is σ = 20844034560. Its totient is φ = 12005862400.

The previous prime is 16174457639. The next prime is 16174457683. The reversal of 16174457645 is 54675447161.

It is not a de Polignac number, because 16174457645 - 2²⁸ = 15906022189 is a prime.

It is a super-3 number, since 3×16174457645³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16174457593 and 16174457602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2047874 + ... + 2055756.

It is an arithmetic number, because the mean of its divisors is an integer number (651376080).

Almost surely, 2^16174457645 is an apocalyptic number.

It is an amenable number.

16174457645 is a deficient number, since it is larger than the sum of its proper divisors (4669576915).

16174457645 is a wasteful number, since it uses less digits than its factorization.

16174457645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245.

The product of its digits is 2822400, while the sum is 50.

The spelling of 16174457645 in words is "sixteen billion, one hundred seventy-four million, four hundred fifty-seven thousand, six hundred forty-five".