16291983033 has 20 divisors (see below), whose sum is σ = 24552795828. Its totient is φ = 10765198080.

The previous prime is 16291983023. The next prime is 16291983041. The reversal of 16291983033 is 33038919261.

16291983033 is a `hidden beast` number, since 1 + 629 + 19 + 8 + 3 + 0 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7322567184 + 8969415849 = 85572^2 + 94707^2 .

It is not a de Polignac number, because 16291983033 - 2¹³ = 16291974841 is a prime.

It is a super-2 number, since 2×16291983033² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16291983033.

It is not an unprimeable number, because it can be changed into a prime (16291983013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 880828 + ... + 899133.

Almost surely, 2^16291983033 is an apocalyptic number.

It is an amenable number.

16291983033 is a deficient number, since it is larger than the sum of its proper divisors (8260812795).

16291983033 is a wasteful number, since it uses less digits than its factorization.

16291983033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780086 (or 1780077 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 16291983033 in words is "sixteen billion, two hundred ninety-one million, nine hundred eighty-three thousand, thirty-three".