16106507797 has 2 divisors, whose sum is σ = 16106507798. Its totient is φ = 16106507796.

The previous prime is 16106507783. The next prime is 16106507821. The reversal of 16106507797 is 79770560161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11870320401 + 4236187396 = 108951^2 + 65086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16106507797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16106507797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16106507707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8053253898 + 8053253899.

It is an arithmetic number, because the mean of its divisors is an integer number (8053253899).

Almost surely, 2^16106507797 is an apocalyptic number.

It is an amenable number.

16106507797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16106507797 is an equidigital number, since it uses as much as digits as its factorization.

16106507797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 49.

The spelling of 16106507797 in words is "sixteen billion, one hundred six million, five hundred seven thousand, seven hundred ninety-seven".