66007190600 has 48 divisors (see below), whose sum is σ = 165271856820. Its totient is φ = 24371884800.

The previous prime is 66007190581. The next prime is 66007190621. The reversal of 66007190600 is 609170066.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 33849376324 + 32157814276 = 183982^2 + 179326^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12691091 + ... + 12696290.

Almost surely, 2^66007190600 is an apocalyptic number.

It is an amenable number.

66007190600 is an abundant number, since it is smaller than the sum of its proper divisors (99264666220).

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

66007190600 is a wasteful number, since it uses less digits than its factorization.

66007190600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25387410 (or 25387401 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 66007190600 in words is "sixty-six billion, seven million, one hundred ninety thousand, six hundred".