66265555022 has 16 divisors (see below), whose sum is σ = 102653801280. Its totient is φ = 32063463168.

The previous prime is 66265555021. The next prime is 66265555049. The reversal of 66265555022 is 22055556266.

It is a super-2 number, since 2×66265555022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66265555021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952043 + ... + 3968774.

It is an arithmetic number, because the mean of its divisors is an integer number (6415862580).

Almost surely, 2^66265555022 is an apocalyptic number.

66265555022 is a deficient number, since it is larger than the sum of its proper divisors (36388246258).

66265555022 is a wasteful number, since it uses less digits than its factorization.

66265555022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920955.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 66265555022 in words is "sixty-six billion, two hundred sixty-five million, five hundred fifty-five thousand, twenty-two".