16749011043 has 24 divisors (see below), whose sum is σ = 25628579600. Its totient is φ = 10510928064.

The previous prime is 16749011029. The next prime is 16749011057. The reversal of 16749011043 is 34011094761.

16749011043 is a `hidden beast` number, since 1 + 67 + 490 + 1 + 104 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (16749011029) and next prime (16749011057).

It is not a de Polignac number, because 16749011043 - 2¹⁷ = 16748879971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16749010989 and 16749011007.

It is not an unprimeable number, because it can be changed into a prime (16749011023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285088 + ... + 338781.

Almost surely, 2^16749011043 is an apocalyptic number.

16749011043 is a deficient number, since it is larger than the sum of its proper divisors (8879568557).

16749011043 is a wasteful number, since it uses less digits than its factorization.

16749011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624051 (or 624048 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 16749011043 in words is "sixteen billion, seven hundred forty-nine million, eleven thousand, forty-three".