18333416073 has 16 divisors (see below), whose sum is σ = 28273222656. Its totient is φ = 10350017040.

The previous prime is 18333415987. The next prime is 18333416113. The reversal of 18333416073 is 37061433381.

It is a happy number.

It is not a de Polignac number, because 18333416073 - 2⁹ = 18333415561 is a prime.

It is a super-2 number, since 2×18333416073² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18333416473) 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, 5257413 + ... + 5260898.

It is an arithmetic number, because the mean of its divisors is an integer number (1767076416).

Almost surely, 2^18333416073 is an apocalyptic number.

It is an amenable number.

18333416073 is a deficient number, since it is larger than the sum of its proper divisors (9939806583).

18333416073 is a wasteful number, since it uses less digits than its factorization.

18333416073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518404.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 18333416073 in words is "eighteen billion, three hundred thirty-three million, four hundred sixteen thousand, seventy-three".