16723151504 has 20 divisors (see below), whose sum is σ = 33191378220. Its totient is φ = 8157634560.

The previous prime is 16723151461. The next prime is 16723151521. The reversal of 16723151504 is 40515132761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6952224400 + 9770927104 = 83380^2 + 98848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12745649 + ... + 12746960.

It is an arithmetic number, because the mean of its divisors is an integer number (1659568911).

Almost surely, 2^16723151504 is an apocalyptic number.

It is an amenable number.

16723151504 is a deficient number, since it is larger than the sum of its proper divisors (16468226716).

16723151504 is a wasteful number, since it uses less digits than its factorization.

16723151504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25492658 (or 25492652 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 16723151504 in words is "sixteen billion, seven hundred twenty-three million, one hundred fifty-one thousand, five hundred four".