16715771123 has 4 divisors (see below), whose sum is σ = 16759876440. Its totient is φ = 16671665808.

The previous prime is 16715771069. The next prime is 16715771141. The reversal of 16715771123 is 32117751761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16715771123 - 2¹⁴ = 16715754739 is a prime.

It is a super-2 number, since 2×16715771123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16715771143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22052090 + ... + 22052847.

It is an arithmetic number, because the mean of its divisors is an integer number (4189969110).

Almost surely, 2^16715771123 is an apocalyptic number.

16715771123 is a deficient number, since it is larger than the sum of its proper divisors (44105317).

16715771123 is an equidigital number, since it uses as much as digits as its factorization.

16715771123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44105316.

The product of its digits is 61740, while the sum is 41.

The spelling of 16715771123 in words is "sixteen billion, seven hundred fifteen million, seven hundred seventy-one thousand, one hundred twenty-three".