16745114881 has 4 divisors (see below), whose sum is σ = 18267398064. Its totient is φ = 15222831700.

The previous prime is 16745114861. The next prime is 16745114891. The reversal of 16745114881 is 18841154761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16745114881 - 2⁵ = 16745114849 is a prime.

It is a super-2 number, since 2×16745114881² (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 (16745114821) 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, 761141575 + ... + 761141596.

It is an arithmetic number, because the mean of its divisors is an integer number (4566849516).

Almost surely, 2^16745114881 is an apocalyptic number.

16745114881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16745114881 is a deficient number, since it is larger than the sum of its proper divisors (1522283183).

16745114881 is a wasteful number, since it uses less digits than its factorization.

16745114881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522283182.

The product of its digits is 215040, while the sum is 46.

The spelling of 16745114881 in words is "sixteen billion, seven hundred forty-five million, one hundred fourteen thousand, eight hundred eighty-one".