15995672404 has 12 divisors (see below), whose sum is σ = 27994547700. Its totient is φ = 7997230208.

The previous prime is 15995672401. The next prime is 15995672449. The reversal of 15995672404 is 40427659951.

It can be written as a sum of positive squares in 2 ways, for example, as 7074492100 + 8921180304 = 84110^2 + 94452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15995672401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89269 + ... + 199900.

It is an arithmetic number, because the mean of its divisors is an integer number (2332878975).

Almost surely, 2^15995672404 is an apocalyptic number.

It is an amenable number.

15995672404 is a deficient number, since it is larger than the sum of its proper divisors (11998875296).

15995672404 is a wasteful number, since it uses less digits than its factorization.

15995672404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303002 (or 303000 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 15995672404 in words is "fifteen billion, nine hundred ninety-five million, six hundred seventy-two thousand, four hundred four".