66226060446 has 48 divisors (see below), whose sum is σ = 165929040144. Its totient is φ = 17466212736.

The previous prime is 66226060423. The next prime is 66226060487. The reversal of 66226060446 is 64406062266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 66226060398 and 66226060407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8659975 + ... + 8667618.

It is an arithmetic number, because the mean of its divisors is an integer number (3456855003).

Almost surely, 2^66226060446 is an apocalyptic number.

66226060446 is an abundant number, since it is smaller than the sum of its proper divisors (99702979698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66226060446 is a wasteful number, since it uses less digits than its factorization.

66226060446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17327625 (or 17327618 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 66226060446 in words is "sixty-six billion, two hundred twenty-six million, sixty thousand, four hundred forty-six".