16051294997 has 2 divisors, whose sum is σ = 16051294998. Its totient is φ = 16051294996.

The previous prime is 16051294949. The next prime is 16051295009. The reversal of 16051294997 is 79949215061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15318022756 + 733272241 = 123766^2 + 27079^2 .

It is an emirp because it is prime and its reverse (79949215061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16051294997 - 2²⁸ = 15782859541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16051294907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025647498 + 8025647499.

It is an arithmetic number, because the mean of its divisors is an integer number (8025647499).

Almost surely, 2^16051294997 is an apocalyptic number.

It is an amenable number.

16051294997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16051294997 is an equidigital number, since it uses as much as digits as its factorization.

16051294997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 16051294997 in words is "sixteen billion, fifty-one million, two hundred ninety-four thousand, nine hundred ninety-seven".