1801166984 has 16 divisors (see below), whose sum is σ = 3524022720. Its totient is φ = 861427600.

The previous prime is 1801166971. The next prime is 1801167031. The reversal of 1801166984 is 4896611081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894292 + ... + 4894659.

It is an arithmetic number, because the mean of its divisors is an integer number (220251420).

Almost surely, 2^1801166984 is an apocalyptic number.

It is an amenable number.

1801166984 is a deficient number, since it is larger than the sum of its proper divisors (1722855736).

1801166984 is a wasteful number, since it uses less digits than its factorization.

1801166984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788980 (or 9788976 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 1801166984 is about 42440.1576811397. The cubic root of 1801166984 is about 1216.7032250060.

The spelling of 1801166984 in words is "one billion, eight hundred one million, one hundred sixty-six thousand, nine hundred eighty-four".