15998496035344 has 15 divisors (see below), whose sum is σ = 30997117067053. Its totient is φ = 7999240018048.

The previous prime is 15998496035341. The next prime is 15998496035387. The reversal of 15998496035344 is 44353069489951.

The square root of 15998496035344 is 3999812.

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., 2013050192400 + 13985445842944 = 1418820^2 + 3739712^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15998496035341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15499272 + ... + 16499224.

Almost surely, 2^{15998496035344} is an apocalyptic number.

15998496035344 is the 3999812-nd square number.

It is an amenable number.

15998496035344 is a deficient number, since it is larger than the sum of its proper divisors (14998621031709).

15998496035344 is an frugal number, since it uses more digits than its factorization.

15998496035344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999914 (or 999955 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 70.

The spelling of 15998496035344 in words is "fifteen trillion, nine hundred ninety-eight billion, four hundred ninety-six million, thirty-five thousand, three hundred forty-four".