16220910097 has 4 divisors (see below), whose sum is σ = 18538182976. Its totient is φ = 13903637220.

The previous prime is 16220910091. The next prime is 16220910107. The reversal of 16220910097 is 79001902261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16220910097 - 2¹¹ = 16220908049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16220910091) 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, 1158636429 + ... + 1158636442.

It is an arithmetic number, because the mean of its divisors is an integer number (4634545744).

Almost surely, 2^16220910097 is an apocalyptic number.

It is an amenable number.

16220910097 is a deficient number, since it is larger than the sum of its proper divisors (2317272879).

16220910097 is an equidigital number, since it uses as much as digits as its factorization.

16220910097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317272878.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 16220910097 in words is "sixteen billion, two hundred twenty million, nine hundred ten thousand, ninety-seven".