16528222944 has 36 divisors (see below), whose sum is σ = 47002134816. Its totient is φ = 5509407552.

The previous prime is 16528222943. The next prime is 16528222961. The reversal of 16528222944 is 44922282561.

16528222944 is a `hidden beast` number, since 16 + 528 + 2 + 22 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16528222944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16528222943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28694544 + ... + 28695119.

It is an arithmetic number, because the mean of its divisors is an integer number (1305614856).

Almost surely, 2^16528222944 is an apocalyptic number.

It is an amenable number.

16528222944 is an abundant number, since it is smaller than the sum of its proper divisors (30473911872).

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

16528222944 is a wasteful number, since it uses less digits than its factorization.

16528222944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57389679 (or 57389668 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 16528222944 in words is "sixteen billion, five hundred twenty-eight million, two hundred twenty-two thousand, nine hundred forty-four".