16225921351 has 8 divisors (see below), whose sum is σ = 16466639904. Its totient is φ = 15986802720.

The previous prime is 16225921319. The next prime is 16225921357. The reversal of 16225921351 is 15312952261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16225921351 - 2⁵ = 16225921319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16225921351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225921357) 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 7 ways as a sum of consecutive naturals, for example, 379540 + ... + 420121.

It is an arithmetic number, because the mean of its divisors is an integer number (2058329988).

Almost surely, 2^16225921351 is an apocalyptic number.

16225921351 is a deficient number, since it is larger than the sum of its proper divisors (240718553).

16225921351 is a wasteful number, since it uses less digits than its factorization.

16225921351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799961.

The product of its digits is 32400, while the sum is 37.

The spelling of 16225921351 in words is "sixteen billion, two hundred twenty-five million, nine hundred twenty-one thousand, three hundred fifty-one".