16222159890725 has 12 divisors (see below), whose sum is σ = 20118759400320. Its totient is φ = 12975611050800.

The previous prime is 16222159890697. The next prime is 16222159890733. The reversal of 16222159890725 is 52709895122261.

It is a happy number.

It is not a de Polignac number, because 16222159890725 - 2²⁶ = 16222092781861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52765205 + ... + 53071754.

It is an arithmetic number, because the mean of its divisors is an integer number (1676563283360).

Almost surely, 2^{16222159890725} is an apocalyptic number.

It is an amenable number.

16222159890725 is a deficient number, since it is larger than the sum of its proper divisors (3896599509595).

16222159890725 is a wasteful number, since it uses less digits than its factorization.

16222159890725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105843100 (or 105843095 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 16222159890725 in words is "sixteen trillion, two hundred twenty-two billion, one hundred fifty-nine million, eight hundred ninety thousand, seven hundred twenty-five".