133666464235555 has 8 divisors (see below), whose sum is σ = 160400162921472. Its totient is φ = 106932900829248.

The previous prime is 133666464235531. The next prime is 133666464235561. The reversal of 133666464235555 is 555532464666331.

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

It is a cyclic number.

It is not a de Polignac number, because 133666464235555 - 2⁵ = 133666464235523 is a prime.

It is a super-2 number, since 2×133666464235555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31633282 + ... + 35608951.

It is an arithmetic number, because the mean of its divisors is an integer number (20050020365184).

Almost surely, 2^{133666464235555} is an apocalyptic number.

133666464235555 is a deficient number, since it is larger than the sum of its proper divisors (26733698685917).

133666464235555 is an equidigital number, since it uses as much as digits as its factorization.

133666464235555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67639805.

The product of its digits is 699840000, while the sum is 64.

The spelling of 133666464235555 in words is "one hundred thirty-three trillion, six hundred sixty-six billion, four hundred sixty-four million, two hundred thirty-five thousand, five hundred fifty-five".