66010115606 has 4 divisors (see below), whose sum is σ = 99015173412. Its totient is φ = 33005057802.

The previous prime is 66010115573. The next prime is 66010115629. The reversal of 66010115606 is 60651101066.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 16502528900 + ... + 16502528903.

It is an arithmetic number, because the mean of its divisors is an integer number (24753793353).

Almost surely, 2^66010115606 is an apocalyptic number.

66010115606 is a deficient number, since it is larger than the sum of its proper divisors (33005057806).

66010115606 is a wasteful number, since it uses less digits than its factorization.

66010115606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33005057805.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 66010115606 in words is "sixty-six billion, ten million, one hundred fifteen thousand, six hundred six".