66264922543244 has 192 divisors, whose sum is σ = 126626658385920. Its totient is φ = 30239969760000.

The previous prime is 66264922543243. The next prime is 66264922543249. The reversal of 66264922543244 is 44234522946266.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66264922543243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72738663149 + ... + 72738664059.

It is an arithmetic number, because the mean of its divisors is an integer number (659513845760).

Almost surely, 2^{66264922543244} is an apocalyptic number.

It is an amenable number.

66264922543244 is a deficient number, since it is larger than the sum of its proper divisors (60361735842676).

66264922543244 is a wasteful number, since it uses less digits than its factorization.

66264922543244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 59.

The spelling of 66264922543244 in words is "sixty-six trillion, two hundred sixty-four billion, nine hundred twenty-two million, five hundred forty-three thousand, two hundred forty-four".