16015998594769 has 2 divisors, whose sum is σ = 16015998594770. Its totient is φ = 16015998594768.

The previous prime is 16015998594763. The next prime is 16015998594847. The reversal of 16015998594769 is 96749589951061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11956982504769 + 4059016090000 = 3457887^2 + 2014700^2 .

It is a cyclic number.

It is not a de Polignac number, because 16015998594769 - 2⁵ = 16015998594737 is a prime.

It is a super-2 number, since 2×16015998594769² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16015998594763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8007999297384 + 8007999297385.

It is an arithmetic number, because the mean of its divisors is an integer number (8007999297385).

Almost surely, 2^{16015998594769} is an apocalyptic number.

It is an amenable number.

16015998594769 is a deficient number, since it is larger than the sum of its proper divisors (1).

16015998594769 is an equidigital number, since it uses as much as digits as its factorization.

16015998594769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1322697600, while the sum is 79.

The spelling of 16015998594769 in words is "sixteen trillion, fifteen billion, nine hundred ninety-eight million, five hundred ninety-four thousand, seven hundred sixty-nine".