15663023416 has 16 divisors (see below), whose sum is σ = 29434469400. Its totient is φ = 7813831584.

The previous prime is 15663023413. The next prime is 15663023417. The reversal of 15663023416 is 61432036651.

15663023416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×15663023416⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15663023413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206251 + ... + 2213338.

Almost surely, 2^15663023416 is an apocalyptic number.

It is an amenable number.

15663023416 is a deficient number, since it is larger than the sum of its proper divisors (13771445984).

15663023416 is a wasteful number, since it uses less digits than its factorization.

15663023416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420038 (or 4420034 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 15663023416 in words is "fifteen billion, six hundred sixty-three million, twenty-three thousand, four hundred sixteen".