16043312746 has 4 divisors (see below), whose sum is σ = 24064969122. Its totient is φ = 8021656372.

The previous prime is 16043312741. The next prime is 16043312759. The reversal of 16043312746 is 64721334061.

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

It can be written as a sum of positive squares in only one way, i.e., 11099676025 + 4943636721 = 105355^2 + 70311^2 .

It is not an unprimeable number, because it can be changed into a prime (16043312741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010828185 + ... + 4010828188.

Almost surely, 2^16043312746 is an apocalyptic number.

16043312746 is a deficient number, since it is larger than the sum of its proper divisors (8021656376).

16043312746 is an equidigital number, since it uses as much as digits as its factorization.

16043312746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021656375.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 16043312746 in words is "sixteen billion, forty-three million, three hundred twelve thousand, seven hundred forty-six".