16990123422322 has 4 divisors (see below), whose sum is σ = 25485185133486. Its totient is φ = 8495061711160.

The previous prime is 16990123422287. The next prime is 16990123422353. The reversal of 16990123422322 is 22322432109961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11323433630961 + 5666689791361 = 3365031^2 + 2380481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247530855579 + ... + 4247530855582.

Almost surely, 2^{16990123422322} is an apocalyptic number.

16990123422322 is a deficient number, since it is larger than the sum of its proper divisors (8495061711164).

16990123422322 is an equidigital number, since it uses as much as digits as its factorization.

16990123422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495061711163.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 16990123422322 in words is "sixteen trillion, nine hundred ninety billion, one hundred twenty-three million, four hundred twenty-two thousand, three hundred twenty-two".