16497923455 has 16 divisors (see below), whose sum is σ = 21456205344. Its totient is φ = 12105475200.

The previous prime is 16497923447. The next prime is 16497923489. The reversal of 16497923455 is 55432979461.

It is not a de Polignac number, because 16497923455 - 2³ = 16497923447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16497923396 and 16497923405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798121 + ... + 818530.

It is an arithmetic number, because the mean of its divisors is an integer number (1341012834).

Almost surely, 2^16497923455 is an apocalyptic number.

16497923455 is a deficient number, since it is larger than the sum of its proper divisors (4958281889).

16497923455 is a wasteful number, since it uses less digits than its factorization.

16497923455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616826.

The product of its digits is 8164800, while the sum is 55.

The spelling of 16497923455 in words is "sixteen billion, four hundred ninety-seven million, nine hundred twenty-three thousand, four hundred fifty-five".