66567145622 has 16 divisors (see below), whose sum is σ = 103110208080. Its totient is φ = 32211279072.

The previous prime is 66567145621. The next prime is 66567145681. The reversal of 66567145622 is 22654176566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66567145621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3541253 + ... + 3560000.

It is an arithmetic number, because the mean of its divisors is an integer number (6444388005).

Almost surely, 2^66567145622 is an apocalyptic number.

66567145622 is a deficient number, since it is larger than the sum of its proper divisors (36543062458).

66567145622 is a wasteful number, since it uses less digits than its factorization.

66567145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101407.

The product of its digits is 3628800, while the sum is 50.

The spelling of 66567145622 in words is "sixty-six billion, five hundred sixty-seven million, one hundred forty-five thousand, six hundred twenty-two".