16969751824 has 45 divisors (see below), whose sum is σ = 34082093253. Its totient is φ = 8184998976.

The previous prime is 16969751809. The next prime is 16969751933. The reversal of 16969751824 is 42815796961.

The square root of 16969751824 is 130268.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8898526224 + 8071225600 = 94332^2 + 89840^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15110527 + ... + 15111649.

Almost surely, 2^16969751824 is an apocalyptic number.

16969751824 is the 130268-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16969751824

16969751824 is an abundant number, since it is smaller than the sum of its proper divisors (17112341429).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16969751824 is an frugal number, since it uses more digits than its factorization.

16969751824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 1154 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 16969751824 in words is "sixteen billion, nine hundred sixty-nine million, seven hundred fifty-one thousand, eight hundred twenty-four".