18666049962 has 32 divisors (see below), whose sum is σ = 42827507712. Its totient is φ = 5312875824.

The previous prime is 18666049891. The next prime is 18666049991. The reversal of 18666049962 is 26994066681.

It is a happy 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, 833878 + ... + 855969.

It is an arithmetic number, because the mean of its divisors is an integer number (1338359616).

Almost surely, 2^18666049962 is an apocalyptic number.

18666049962 is an abundant number, since it is smaller than the sum of its proper divisors (24161457750).

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

18666049962 is a wasteful number, since it uses less digits than its factorization.

18666049962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690122.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 18666049962 in words is "eighteen billion, six hundred sixty-six million, forty-nine thousand, nine hundred sixty-two".