16354500497669 has 2 divisors, whose sum is σ = 16354500497670. Its totient is φ = 16354500497668.

The previous prime is 16354500497659. The next prime is 16354500497707. The reversal of 16354500497669 is 96679400545361.

16354500497669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12961886468644 + 3392614029025 = 3600262^2 + 1841905^2 .

It is a cyclic number.

It is not a de Polignac number, because 16354500497669 - 2²⁴ = 16354483720453 is a prime.

It is a super-2 number, since 2×16354500497669² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16354500497659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177250248834 + 8177250248835.

It is an arithmetic number, because the mean of its divisors is an integer number (8177250248835).

Almost surely, 2^{16354500497669} is an apocalyptic number.

It is an amenable number.

16354500497669 is a deficient number, since it is larger than the sum of its proper divisors (1).

16354500497669 is an equidigital number, since it uses as much as digits as its factorization.

16354500497669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 16354500497669 in words is "sixteen trillion, three hundred fifty-four billion, five hundred million, four hundred ninety-seven thousand, six hundred sixty-nine".