18286868510 has 8 divisors (see below), whose sum is σ = 32916363336. Its totient is φ = 7314747400.

The previous prime is 18286868441. The next prime is 18286868513. The reversal of 18286868510 is 1586868281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286868513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914343416 + ... + 914343435.

It is an arithmetic number, because the mean of its divisors is an integer number (4114545417).

Almost surely, 2^18286868510 is an apocalyptic number.

18286868510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18286868510 is a deficient number, since it is larger than the sum of its proper divisors (14629494826).

18286868510 is a wasteful number, since it uses less digits than its factorization.

18286868510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828686858.

The product of its (nonzero) digits is 1474560, while the sum is 53.

The spelling of 18286868510 in words is "eighteen billion, two hundred eighty-six million, eight hundred sixty-eight thousand, five hundred ten".