15442163216 has 20 divisors (see below), whose sum is σ = 30365748432. Its totient is φ = 7605841056.

The previous prime is 15442163203. The next prime is 15442163221. The reversal of 15442163216 is 61236124451.

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, 7201430 + ... + 7203573.

Almost surely, 2^15442163216 is an apocalyptic number.

15442163216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15442163216 is a deficient number, since it is larger than the sum of its proper divisors (14923585216).

15442163216 is a wasteful number, since it uses less digits than its factorization.

15442163216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405078 (or 14405072 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 15442163216 its reverse (61236124451), we get a palindrome (76678287667).

The spelling of 15442163216 in words is "fifteen billion, four hundred forty-two million, one hundred sixty-three thousand, two hundred sixteen".