18285916846 has 16 divisors (see below), whose sum is σ = 27938090880. Its totient is φ = 8973712440.

The previous prime is 18285916823. The next prime is 18285916877. The reversal of 18285916846 is 64861958281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48336 + ... + 197251.

It is an arithmetic number, because the mean of its divisors is an integer number (1746130680).

Almost surely, 2^18285916846 is an apocalyptic number.

18285916846 is a deficient number, since it is larger than the sum of its proper divisors (9652174034).

18285916846 is a wasteful number, since it uses less digits than its factorization.

18285916846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246279.

The product of its digits is 6635520, while the sum is 58.

The spelling of 18285916846 in words is "eighteen billion, two hundred eighty-five million, nine hundred sixteen thousand, eight hundred forty-six".