16724105145 has 72 divisors (see below), whose sum is σ = 32043211200. Its totient is φ = 8062887360.

The previous prime is 16724105143. The next prime is 16724105171. The reversal of 16724105145 is 54150142761.

It is not a de Polignac number, because 16724105145 - 2¹ = 16724105143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16724105141) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 966076 + ... + 983234.

It is an arithmetic number, because the mean of its divisors is an integer number (445044600).

Almost surely, 2^16724105145 is an apocalyptic number.

16724105145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16724105145 is a deficient number, since it is larger than the sum of its proper divisors (15319106055).

16724105145 is a wasteful number, since it uses less digits than its factorization.

16724105145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371 (or 17357 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 16724105145 in words is "sixteen billion, seven hundred twenty-four million, one hundred five thousand, one hundred forty-five".