66636060094 has 4 divisors (see below), whose sum is σ = 99954090144. Its totient is φ = 33318030046.

The previous prime is 66636060091. The next prime is 66636060103. The reversal of 66636060094 is 49006063666.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66636060091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16659015022 + ... + 16659015025.

It is an arithmetic number, because the mean of its divisors is an integer number (24988522536).

Almost surely, 2^66636060094 is an apocalyptic number.

66636060094 is a deficient number, since it is larger than the sum of its proper divisors (33318030050).

66636060094 is a wasteful number, since it uses less digits than its factorization.

66636060094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33318030049.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 66636060094 in words is "sixty-six billion, six hundred thirty-six million, sixty thousand, ninety-four".