16207866925 has 24 divisors (see below), whose sum is σ = 20332886112. Its totient is φ = 12815400000.

The previous prime is 16207866923. The next prime is 16207866959. The reversal of 16207866925 is 52966870261.

It is not a de Polignac number, because 16207866925 - 2¹ = 16207866923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16207866923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812167 + ... + 831883.

It is an arithmetic number, because the mean of its divisors is an integer number (847203588).

Almost surely, 2^16207866925 is an apocalyptic number.

It is an amenable number.

16207866925 is a deficient number, since it is larger than the sum of its proper divisors (4125019187).

16207866925 is a wasteful number, since it uses less digits than its factorization.

16207866925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 16207866925 in words is "sixteen billion, two hundred seven million, eight hundred sixty-six thousand, nine hundred twenty-five".