66090753155 has 8 divisors (see below), whose sum is σ = 90638747232. Its totient is φ = 45319373568.

The previous prime is 66090753097. The next prime is 66090753191. The reversal of 66090753155 is 55135709066.

66090753155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66090753155 - 2²⁰ = 66089704579 is a prime.

It is a Duffinian 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, 944153582 + ... + 944153651.

It is an arithmetic number, because the mean of its divisors is an integer number (11329843404).

Almost surely, 2^66090753155 is an apocalyptic number.

66090753155 is a deficient number, since it is larger than the sum of its proper divisors (24547994077).

66090753155 is a wasteful number, since it uses less digits than its factorization.

66090753155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888307245.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 66090753155 in words is "sixty-six billion, ninety million, seven hundred fifty-three thousand, one hundred fifty-five".