66226403662 has 32 divisors (see below), whose sum is σ = 105838986240. Its totient is φ = 31031605440.

The previous prime is 66226403647. The next prime is 66226403669. The reversal of 66226403662 is 26630462266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66226403669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109978 + ... + 380194.

It is an arithmetic number, because the mean of its divisors is an integer number (3307468320).

Almost surely, 2^66226403662 is an apocalyptic number.

66226403662 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66226403662 is a deficient number, since it is larger than the sum of its proper divisors (39612582578).

66226403662 is a wasteful number, since it uses less digits than its factorization.

66226403662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270376.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 66226403662 in words is "sixty-six billion, two hundred twenty-six million, four hundred three thousand, six hundred sixty-two".