18153666755 has 48 divisors (see below), whose sum is σ = 26763770880. Its totient is φ = 11753719488.

The previous prime is 18153666749. The next prime is 18153666781. The reversal of 18153666755 is 55766635181.

It is not a de Polignac number, because 18153666755 - 2³⁴ = 973797571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18153666697 and 18153666706.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1422734 + ... + 1435436.

It is an arithmetic number, because the mean of its divisors is an integer number (557578560).

Almost surely, 2^18153666755 is an apocalyptic number.

18153666755 is a deficient number, since it is larger than the sum of its proper divisors (8610104125).

18153666755 is a wasteful number, since it uses less digits than its factorization.

18153666755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048 (or 13041 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 53.

The spelling of 18153666755 in words is "eighteen billion, one hundred fifty-three million, six hundred sixty-six thousand, seven hundred fifty-five".