16210125865 has 16 divisors (see below), whose sum is σ = 19880340480. Its totient is φ = 12683039040.

The previous prime is 16210125847. The next prime is 16210125901. The reversal of 16210125865 is 56852101261.

It is not a de Polignac number, because 16210125865 - 2¹³ = 16210117673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311680 + ... + 359950.

It is an arithmetic number, because the mean of its divisors is an integer number (1242521280).

Almost surely, 2^16210125865 is an apocalyptic number.

It is an amenable number.

16210125865 is a deficient number, since it is larger than the sum of its proper divisors (3670214615).

16210125865 is a wasteful number, since it uses less digits than its factorization.

16210125865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49752.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 16210125865 in words is "sixteen billion, two hundred ten million, one hundred twenty-five thousand, eight hundred sixty-five".