64196694 has 24 divisors (see below), whose sum is σ = 139273992. Its totient is φ = 21371040.

The previous prime is 64196669. The next prime is 64196701. The reversal of 64196694 is 49669146.

64196694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15642 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (5803083).

Almost surely, 2^64196694 is an apocalyptic number.

64196694 is an abundant number, since it is smaller than the sum of its proper divisors (75077298).

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

64196694 is a wasteful number, since it uses less digits than its factorization.

64196694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652 (or 4649 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 64196694 is about 8012.2839440449. The cubic root of 64196694 is about 400.4093600846.

The spelling of 64196694 in words is "sixty-four million, one hundred ninety-six thousand, six hundred ninety-four".