66101160510606 has 64 divisors (see below), whose sum is σ = 146422984780800. Its totient is φ = 19761597081216.

The previous prime is 66101160510589. The next prime is 66101160510641. The reversal of 66101160510606 is 60601506110166.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13852696 + ... + 18002763.

It is an arithmetic number, because the mean of its divisors is an integer number (2287859137200).

Almost surely, 2^{66101160510606} is an apocalyptic number.

66101160510606 is an abundant number, since it is smaller than the sum of its proper divisors (80321824270194).

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

66101160510606 is a wasteful number, since it uses less digits than its factorization.

66101160510606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31856233.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 66101160510606 in words is "sixty-six trillion, one hundred one billion, one hundred sixty million, five hundred ten thousand, six hundred six".