16206222490 has 8 divisors (see below), whose sum is σ = 29171200500. Its totient is φ = 6482488992.

The previous prime is 16206222469. The next prime is 16206222491. The reversal of 16206222490 is 9422260261.

It can be written as a sum of positive squares in 2 ways, for example, as 15847536769 + 358685721 = 125887^2 + 18939^2 .

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 (16206222491) 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, 810311115 + ... + 810311134.

Almost surely, 2^16206222490 is an apocalyptic number.

16206222490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16206222490 is a deficient number, since it is larger than the sum of its proper divisors (12964978010).

16206222490 is a wasteful number, since it uses less digits than its factorization.

16206222490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620622256.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 16206222490 in words is "sixteen billion, two hundred six million, two hundred twenty-two thousand, four hundred ninety".