16923508724 has 6 divisors (see below), whose sum is σ = 29616140274. Its totient is φ = 8461754360.

The previous prime is 16923508717. The next prime is 16923508739. The reversal of 16923508724 is 42780532961.

It can be written as a sum of positive squares in only one way, i.e., 14335751824 + 2587756900 = 119732^2 + 50870^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115438587 + ... + 2115438594.

It is an arithmetic number, because the mean of its divisors is an integer number (4936023379).

It is a 1-persistent number, because it is pandigital, but 2⋅16923508724 = 33847017448 is not.

Almost surely, 2^16923508724 is an apocalyptic number.

It is an amenable number.

16923508724 is a deficient number, since it is larger than the sum of its proper divisors (12692631550).

16923508724 is a wasteful number, since it uses less digits than its factorization.

16923508724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230877185 (or 4230877183 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 16923508724 in words is "sixteen billion, nine hundred twenty-three million, five hundred eight thousand, seven hundred twenty-four".