18823324652 has 48 divisors (see below), whose sum is σ = 36462811392. Its totient is φ = 8431030080.

The previous prime is 18823324607. The next prime is 18823324661. The reversal of 18823324652 is 25642332881.

It is a happy number.

It is a super-2 number, since 2×18823324652² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443353 + ... + 1456335.

It is an arithmetic number, because the mean of its divisors is an integer number (759641904).

Almost surely, 2^18823324652 is an apocalyptic number.

It is an amenable number.

18823324652 is a deficient number, since it is larger than the sum of its proper divisors (17639486740).

18823324652 is a wasteful number, since it uses less digits than its factorization.

18823324652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478 (or 13476 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 18823324652 in words is "eighteen billion, eight hundred twenty-three million, three hundred twenty-four thousand, six hundred fifty-two".