66196696 has 16 divisors (see below), whose sum is σ = 124329240. Its totient is φ = 33042240.

The previous prime is 66196693. The next prime is 66196723. The reversal of 66196696 is 69669166.

66196696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66196696² = 8764005122632832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66196693) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1770 + ... + 11641.

Almost surely, 2^66196696 is an apocalyptic number.

It is an amenable number.

66196696 is a deficient number, since it is larger than the sum of its proper divisors (58132544).

66196696 is a wasteful number, since it uses less digits than its factorization.

66196696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034 (or 14030 counting only the distinct ones).

The product of its digits is 629856, while the sum is 49.

The square root of 66196696 is about 8136.1352004499. The cubic root of 66196696 is about 404.5250664012.

The spelling of 66196696 in words is "sixty-six million, one hundred ninety-six thousand, six hundred ninety-six".