16426225661 has 16 divisors (see below), whose sum is σ = 17044992000. Its totient is φ = 15819563760.

The previous prime is 16426225633. The next prime is 16426225663. The reversal of 16426225661 is 16652262461.

It is a cyclic number.

It is not a de Polignac number, because 16426225661 - 2¹⁴ = 16426209277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426225663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820840 + ... + 1829838.

It is an arithmetic number, because the mean of its divisors is an integer number (1065312000).

Almost surely, 2^16426225661 is an apocalyptic number.

It is an amenable number.

16426225661 is a deficient number, since it is larger than the sum of its proper divisors (618766339).

16426225661 is an equidigital number, since it uses as much as digits as its factorization.

16426225661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664.

The product of its digits is 207360, while the sum is 41.

The spelling of 16426225661 in words is "sixteen billion, four hundred twenty-six million, two hundred twenty-five thousand, six hundred sixty-one".