16617054743 has 6 divisors (see below), whose sum is σ = 17340180504. Its totient is φ = 15893982764.

The previous prime is 16617054737. The next prime is 16617054763. The reversal of 16617054743 is 34745071661.

It is not a de Polignac number, because 16617054743 - 2¹⁴ = 16617038359 is a prime.

It is a super-2 number, since 2×16617054743² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16617054694 and 16617054703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16617054763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 604778 + ... + 631656.

It is an arithmetic number, because the mean of its divisors is an integer number (2890030084).

Almost surely, 2^16617054743 is an apocalyptic number.

16617054743 is a deficient number, since it is larger than the sum of its proper divisors (723125761).

16617054743 is an frugal number, since it uses more digits than its factorization.

16617054743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53781 (or 26902 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 16617054743 in words is "sixteen billion, six hundred seventeen million, fifty-four thousand, seven hundred forty-three".