16012208251 has 16 divisors (see below), whose sum is σ = 18264506400. Its totient is φ = 13906303488.

The previous prime is 16012208239. The next prime is 16012208263. The reversal of 16012208251 is 15280221061.

It is an interprime number because it is at equal distance from previous prime (16012208239) and next prime (16012208263).

It is a cyclic number.

It is not a de Polignac number, because 16012208251 - 2¹⁵ = 16012175483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16012208281) 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, 738280 + ... + 759658.

It is an arithmetic number, because the mean of its divisors is an integer number (1141531650).

Almost surely, 2^16012208251 is an apocalyptic number.

16012208251 is a deficient number, since it is larger than the sum of its proper divisors (2252298149).

16012208251 is a wasteful number, since it uses less digits than its factorization.

16012208251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24798.

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 16012208251 in words is "sixteen billion, twelve million, two hundred eight thousand, two hundred fifty-one".