66263536526241 has 8 divisors (see below), whose sum is σ = 88703379573984. Its totient is φ = 43999692248000.

The previous prime is 66263536526189. The next prime is 66263536526273. The reversal of 66263536526241 is 14262563536266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66263536526241 - 2²⁷ = 66263402308513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66263536026241) 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, 43999691496 + ... + 43999693001.

It is an arithmetic number, because the mean of its divisors is an integer number (11087922446748).

Almost surely, 2^{66263536526241} is an apocalyptic number.

It is an amenable number.

66263536526241 is a deficient number, since it is larger than the sum of its proper divisors (22439843047743).

66263536526241 is a wasteful number, since it uses less digits than its factorization.

66263536526241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87999384751.

The product of its digits is 55987200, while the sum is 57.

The spelling of 66263536526241 in words is "sixty-six trillion, two hundred sixty-three billion, five hundred thirty-six million, five hundred twenty-six thousand, two hundred forty-one".