22978487166 has 16 divisors (see below), whose sum is σ = 46029813888. Its totient is φ = 7647355800.

The previous prime is 22978487143. The next prime is 22978487173. The reversal of 22978487166 is 66178487922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030880 + ... + 3038451.

It is an arithmetic number, because the mean of its divisors is an integer number (2876863368).

Almost surely, 2^22978487166 is an apocalyptic number.

22978487166 is an abundant number, since it is smaller than the sum of its proper divisors (23051326722).

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

22978487166 is a wasteful number, since it uses less digits than its factorization.

22978487166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069967.

The product of its digits is 16257024, while the sum is 60.

The spelling of 22978487166 in words is "twenty-two billion, nine hundred seventy-eight million, four hundred eighty-seven thousand, one hundred sixty-six".