66075410553 has 32 divisors (see below), whose sum is σ = 94761277440. Its totient is φ = 40822056000.

The previous prime is 66075410483. The next prime is 66075410587. The reversal of 66075410553 is 35501457066.

66075410553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66075410553 - 2²⁹ = 65538539641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66075410593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6024951 + ... + 6035907.

It is an arithmetic number, because the mean of its divisors is an integer number (2961289920).

Almost surely, 2^66075410553 is an apocalyptic number.

It is an amenable number.

66075410553 is a deficient number, since it is larger than the sum of its proper divisors (28685866887).

66075410553 is a wasteful number, since it uses less digits than its factorization.

66075410553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 66075410553 in words is "sixty-six billion, seventy-five million, four hundred ten thousand, five hundred fifty-three".