16210125864 has 96 divisors (see below), whose sum is σ = 45806376000. Its totient is φ = 5311546272.

The previous prime is 16210125847. The next prime is 16210125901. The reversal of 16210125864 is 46852101261.

It is a happy number.

16210125864 is a `hidden beast` number, since 1 + 62 + 1 + 0 + 12 + 586 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 741117 + ... + 762675.

It is an arithmetic number, because the mean of its divisors is an integer number (477149750).

Almost surely, 2^16210125864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16210125864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22903188000).

16210125864 is an abundant number, since it is smaller than the sum of its proper divisors (29596250136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16210125864 is a wasteful number, since it uses less digits than its factorization.

16210125864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21692 (or 21623 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 16210125864 in words is "sixteen billion, two hundred ten million, one hundred twenty-five thousand, eight hundred sixty-four".