66229253762 has 16 divisors (see below), whose sum is σ = 119511435840. Its totient is φ = 26890072848.

The previous prime is 66229253693. The next prime is 66229253767. The reversal of 66229253762 is 26735292266.

66229253762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66229253762.

It is not an unprimeable number, because it can be changed into a prime (66229253767) 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, 124490813 + ... + 124491344.

It is an arithmetic number, because the mean of its divisors is an integer number (7469464740).

Almost surely, 2^66229253762 is an apocalyptic number.

66229253762 is a deficient number, since it is larger than the sum of its proper divisors (53282182078).

66229253762 is a wasteful number, since it uses less digits than its factorization.

66229253762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248982185.

The product of its digits is 3265920, while the sum is 50.

The spelling of 66229253762 in words is "sixty-six billion, two hundred twenty-nine million, two hundred fifty-three thousand, seven hundred sixty-two".