16225432015 has 16 divisors (see below), whose sum is σ = 21184426368. Its totient is φ = 11858328576.

The previous prime is 16225432007. The next prime is 16225432019. The reversal of 16225432015 is 51023452261.

It is a cyclic number.

It is not a de Polignac number, because 16225432015 - 2³ = 16225432007 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225432019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280407 + ... + 1293016.

It is an arithmetic number, because the mean of its divisors is an integer number (1324026648).

Almost surely, 2^16225432015 is an apocalyptic number.

16225432015 is a deficient number, since it is larger than the sum of its proper divisors (4958994353).

16225432015 is a wasteful number, since it uses less digits than its factorization.

16225432015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573538.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 16225432015 its reverse (51023452261), we get a palindrome (67248884276).

The spelling of 16225432015 in words is "sixteen billion, two hundred twenty-five million, four hundred thirty-two thousand, fifteen".