1873660464 has 320 divisors, whose sum is σ = 6079610880. Its totient is φ = 548674560.

The previous prime is 1873660447. The next prime is 1873660487. The reversal of 1873660464 is 4640663781.

It is a happy number.

1873660464 is a `hidden beast` number, since 1 + 8 + 7 + 36 + 604 + 6 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14753169 + ... + 14753295.

It is an arithmetic number, because the mean of its divisors is an integer number (18998784).

Almost surely, 2^1873660464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873660464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039805440).

1873660464 is an abundant number, since it is smaller than the sum of its proper divisors (4205950416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1873660464 is a wasteful number, since it uses less digits than its factorization.

1873660464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 1873660464 is about 43285.7997962380. The cubic root of 1873660464 is about 1232.8123156645.

The spelling of 1873660464 in words is "one billion, eight hundred seventy-three million, six hundred sixty thousand, four hundred sixty-four".