118211966 has 32 divisors (see below), whose sum is σ = 187616640. Its totient is φ = 55800576.

The previous prime is 118211953. The next prime is 118211969. The reversal of 118211966 is 669112811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118211969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426620 + ... + 426896.

It is an arithmetic number, because the mean of its divisors is an integer number (5863020).

Almost surely, 2^118211966 is an apocalyptic number.

118211966 is a deficient number, since it is larger than the sum of its proper divisors (69404674).

118211966 is a wasteful number, since it uses less digits than its factorization.

118211966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 5184, while the sum is 35.

The square root of 118211966 is about 10872.5326396383. The cubic root of 118211966 is about 490.7803282299.

The spelling of 118211966 in words is "one hundred eighteen million, two hundred eleven thousand, nine hundred sixty-six".