15420063216 has 20 divisors (see below), whose sum is σ = 39835163432. Its totient is φ = 5140021056.

The previous prime is 15420063209. The next prime is 15420063229. The reversal of 15420063216 is 61236002451.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 160625611 + ... + 160625706.

Almost surely, 2^15420063216 is an apocalyptic number.

15420063216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15420063216 is an abundant number, since it is smaller than the sum of its proper divisors (24415100216).

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

15420063216 is a wasteful number, since it uses less digits than its factorization.

15420063216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321251328 (or 321251322 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 15420063216 its reverse (61236002451), we get a palindrome (76656065667).

The spelling of 15420063216 in words is "fifteen billion, four hundred twenty million, sixty-three thousand, two hundred sixteen".