66062221705612 has 24 divisors (see below), whose sum is σ = 126322532965440. Its totient is φ = 29979771623760.

The previous prime is 66062221705561. The next prime is 66062221705639. The reversal of 66062221705612 is 21650712226066.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212746698 + ... + 1212801169.

It is an arithmetic number, because the mean of its divisors is an integer number (5263438873560).

Almost surely, 2^{66062221705612} is an apocalyptic number.

It is an amenable number.

66062221705612 is a deficient number, since it is larger than the sum of its proper divisors (60260311259828).

66062221705612 is a wasteful number, since it uses less digits than its factorization.

66062221705612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425548501 (or 2425548499 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 66062221705612 in words is "sixty-six trillion, sixty-two billion, two hundred twenty-one million, seven hundred five thousand, six hundred twelve".