18164410839 has 64 divisors (see below), whose sum is σ = 28574515200. Its totient is φ = 11381078016.

The previous prime is 18164410819. The next prime is 18164410853. The reversal of 18164410839 is 93801446181.

It is not a de Polignac number, because 18164410839 - 2¹⁷ = 18164279767 is a prime.

It is a super-2 number, since 2×18164410839² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18164410794 and 18164410803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18164410819) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8595447 + ... + 8597559.

It is an arithmetic number, because the mean of its divisors is an integer number (446476800).

Almost surely, 2^18164410839 is an apocalyptic number.

18164410839 is a deficient number, since it is larger than the sum of its proper divisors (10410104361).

18164410839 is a wasteful number, since it uses less digits than its factorization.

18164410839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 18164410839 in words is "eighteen billion, one hundred sixty-four million, four hundred ten thousand, eight hundred thirty-nine".