16152787016797 has 2 divisors, whose sum is σ = 16152787016798. Its totient is φ = 16152787016796.

The previous prime is 16152787016761. The next prime is 16152787016857. The reversal of 16152787016797 is 79761078725161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14127818172601 + 2024968844196 = 3758699^2 + 1423014^2 .

It is a cyclic number.

It is not a de Polignac number, because 16152787016797 - 2¹⁹ = 16152786492509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16152787016897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8076393508398 + 8076393508399.

It is an arithmetic number, because the mean of its divisors is an integer number (8076393508399).

Almost surely, 2^{16152787016797} is an apocalyptic number.

It is an amenable number.

16152787016797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16152787016797 is an equidigital number, since it uses as much as digits as its factorization.

16152787016797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62233920, while the sum is 67.

The spelling of 16152787016797 in words is "sixteen trillion, one hundred fifty-two billion, seven hundred eighty-seven million, sixteen thousand, seven hundred ninety-seven".