16486226731 has 16 divisors (see below), whose sum is σ = 19257291648. Its totient is φ = 13973529600.

The previous prime is 16486226723. The next prime is 16486226737. The reversal of 16486226731 is 13762268461.

It is a cyclic number.

It is not a de Polignac number, because 16486226731 - 2³ = 16486226723 is a prime.

It is a super-2 number, since 2×16486226731² (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 (16486226737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900675 + ... + 918796.

It is an arithmetic number, because the mean of its divisors is an integer number (1203580728).

Almost surely, 2^16486226731 is an apocalyptic number.

16486226731 is a deficient number, since it is larger than the sum of its proper divisors (2771064917).

16486226731 is a wasteful number, since it uses less digits than its factorization.

16486226731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819542.

The product of its digits is 580608, while the sum is 46.

The spelling of 16486226731 in words is "sixteen billion, four hundred eighty-six million, two hundred twenty-six thousand, seven hundred thirty-one".