16426298077 has 6 divisors (see below), whose sum is σ = 19108142718. Its totient is φ = 14079684024.

The previous prime is 16426298071. The next prime is 16426298101. The reversal of 16426298077 is 77089262461.

It can be written as a sum of positive squares in only one way, i.e., 12353433316 + 4072864761 = 111146^2 + 63819^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16426298077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426298071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167615238 + ... + 167615335.

It is an arithmetic number, because the mean of its divisors is an integer number (3184690453).

Almost surely, 2^16426298077 is an apocalyptic number.

It is an amenable number.

16426298077 is a deficient number, since it is larger than the sum of its proper divisors (2681844641).

16426298077 is an equidigital number, since it uses as much as digits as its factorization.

16426298077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335230587 (or 335230580 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 16426298077 in words is "sixteen billion, four hundred twenty-six million, two hundred ninety-eight thousand, seventy-seven".