66088511536553 has 8 divisors (see below), whose sum is σ = 72098446386240. Its totient is φ = 60078891411280.

The previous prime is 66088511536547. The next prime is 66088511536561. The reversal of 66088511536553 is 35563511588066.

It is a happy number.

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 66088511536553 - 2¹² = 66088511532457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (66088511536573) by changing a digit.

Being equal to 26×3²⁶-1, it is a generalized Woodall number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78241925 + ... + 79082082.

It is an arithmetic number, because the mean of its divisors is an integer number (9012305798280).

Almost surely, 2^{66088511536553} is an apocalyptic number.

It is an amenable number.

66088511536553 is a deficient number, since it is larger than the sum of its proper divisors (6009934849687).

66088511536553 is a wasteful number, since it uses less digits than its factorization.

66088511536553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157362207.

The product of its (nonzero) digits is 77760000, while the sum is 62.

The spelling of 66088511536553 in words is "sixty-six trillion, eighty-eight billion, five hundred eleven million, five hundred thirty-six thousand, five hundred fifty-three".