119778666 has 16 divisors (see below), whose sum is σ = 273779904. Its totient is φ = 34222464.

The previous prime is 119778661. The next prime is 119778667. The reversal of 119778666 is 666877911.

It is not an unprimeable number, because it can be changed into a prime (119778661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425895 + ... + 1425978.

It is an arithmetic number, because the mean of its divisors is an integer number (17111244).

Almost surely, 2^119778666 is an apocalyptic number.

119778666 is an abundant number, since it is smaller than the sum of its proper divisors (154001238).

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

119778666 is a wasteful number, since it uses less digits than its factorization.

119778666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851885.

The product of its digits is 762048, while the sum is 51.

The square root of 119778666 is about 10944.3440187158. The cubic root of 119778666 is about 492.9389745720.

The spelling of 119778666 in words is "one hundred nineteen million, seven hundred seventy-eight thousand, six hundred sixty-six".