133212666665662 has 8 divisors (see below), whose sum is σ = 199874397569616. Its totient is φ = 66587867475792.

The previous prime is 133212666665647. The next prime is 133212666665681. The reversal of 133212666665662 is 266566666212331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133212666665662² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133212666665662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9232919503 + ... + 9232933930.

It is an arithmetic number, because the mean of its divisors is an integer number (24984299696202).

Almost surely, 2^{133212666665662} is an apocalyptic number.

133212666665662 is a deficient number, since it is larger than the sum of its proper divisors (66661730903954).

133212666665662 is a wasteful number, since it uses less digits than its factorization.

133212666665662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18465857042.

The product of its digits is 100776960, while the sum is 61.

The spelling of 133212666665662 in words is "one hundred thirty-three trillion, two hundred twelve billion, six hundred sixty-six million, six hundred sixty-five thousand, six hundred sixty-two".