16437422605 has 32 divisors (see below), whose sum is σ = 20513132640. Its totient is φ = 12634030080.

The previous prime is 16437422567. The next prime is 16437422611. The reversal of 16437422605 is 50622473461.

It can be written as a sum of positive squares in 16 ways, for example, as 1334733156 + 15102689449 = 36534^2 + 122893^2 .

It is not a de Polignac number, because 16437422605 - 2⁹ = 16437422093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11502031 + ... + 11503459.

It is an arithmetic number, because the mean of its divisors is an integer number (641035395).

Almost surely, 2^16437422605 is an apocalyptic number.

It is an amenable number.

16437422605 is a deficient number, since it is larger than the sum of its proper divisors (4075710035).

16437422605 is a wasteful number, since it uses less digits than its factorization.

16437422605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 16437422605 in words is "sixteen billion, four hundred thirty-seven million, four hundred twenty-two thousand, six hundred five".