66475196 has 6 divisors (see below), whose sum is σ = 116331600. Its totient is φ = 33237596.

The previous prime is 66475181. The next prime is 66475207. The reversal of 66475196 is 69157466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8309396 + ... + 8309403.

It is an arithmetic number, because the mean of its divisors is an integer number (19388600).

Almost surely, 2^66475196 is an apocalyptic number.

It is an amenable number.

66475196 is a deficient number, since it is larger than the sum of its proper divisors (49856404).

66475196 is a wasteful number, since it uses less digits than its factorization.

66475196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16618803 (or 16618801 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 66475196 is about 8153.2322424913. The cubic root of 66475196 is about 405.0915730543.

The spelling of 66475196 in words is "sixty-six million, four hundred seventy-five thousand, one hundred ninety-six".