18964460196 has 108 divisors (see below), whose sum is σ = 55465628400. Its totient is φ = 5444318880.

The previous prime is 18964460111. The next prime is 18964460209. The reversal of 18964460196 is 69106446981.

It is a happy number.

18964460196 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 446 + 0 + 196 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31806 + ... + 197333.

Almost surely, 2^18964460196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18964460196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27732814200).

18964460196 is an abundant number, since it is smaller than the sum of its proper divisors (36501168204).

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

18964460196 is a wasteful number, since it uses less digits than its factorization.

18964460196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229190 (or 229174 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 18964460196 in words is "eighteen billion, nine hundred sixty-four million, four hundred sixty thousand, one hundred ninety-six".