1820493662 has 32 divisors (see below), whose sum is σ = 3041224704. Its totient is φ = 811634400.

The previous prime is 1820493659. The next prime is 1820493679. The reversal of 1820493662 is 2663940281.

It is a congruent number.

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, 519737 + ... + 523227.

It is an arithmetic number, because the mean of its divisors is an integer number (95038272).

Almost surely, 2^1820493662 is an apocalyptic number.

1820493662 is a deficient number, since it is larger than the sum of its proper divisors (1220731042).

1820493662 is a wasteful number, since it uses less digits than its factorization.

1820493662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1820493662 is about 42667.2434309975. The cubic root of 1820493662 is about 1221.0395292045.

The spelling of 1820493662 in words is "one billion, eight hundred twenty million, four hundred ninety-three thousand, six hundred sixty-two".