1816464874 has 16 divisors (see below), whose sum is σ = 3146044608. Its totient is φ = 770458752.

The previous prime is 1816464857. The next prime is 1816464899. The reversal of 1816464874 is 4784646181.

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, 667444 + ... + 670159.

It is an arithmetic number, because the mean of its divisors is an integer number (196627788).

Almost surely, 2^1816464874 is an apocalyptic number.

1816464874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1816464874 is a deficient number, since it is larger than the sum of its proper divisors (1329579734).

1816464874 is a wasteful number, since it uses less digits than its factorization.

1816464874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337709.

The product of its digits is 1032192, while the sum is 49.

The square root of 1816464874 is about 42620.0055607692. The cubic root of 1816464874 is about 1220.1381358414.

It can be divided in two parts, 18164 and 64874, that added together give a palindrome (83038).

The spelling of 1816464874 in words is "one billion, eight hundred sixteen million, four hundred sixty-four thousand, eight hundred seventy-four".