16056722394490 has 8 divisors (see below), whose sum is σ = 28902100310100. Its totient is φ = 6422688957792.

The previous prime is 16056722394431. The next prime is 16056722394497. The reversal of 16056722394490 is 9449322765061.

It can be written as a sum of positive squares in 2 ways, for example, as 14839899403081 + 1216822991409 = 3852259^2 + 1103097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16056722394497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802836119715 + ... + 802836119734.

Almost surely, 2^{16056722394490} is an apocalyptic number.

16056722394490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16056722394490 is a deficient number, since it is larger than the sum of its proper divisors (12845377915610).

16056722394490 is a wasteful number, since it uses less digits than its factorization.

16056722394490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605672239456.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 16056722394490 in words is "sixteen trillion, fifty-six billion, seven hundred twenty-two million, three hundred ninety-four thousand, four hundred ninety".