2155456466333 has 4 divisors (see below), whose sum is σ = 2155459936608. Its totient is φ = 2155452996060.

The previous prime is 2155456466311. The next prime is 2155456466353. The reversal of 2155456466333 is 3336646545512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2155456466333 - 2¹⁸ = 2155456204189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155456466353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519623 + ... + 2140308.

It is an arithmetic number, because the mean of its divisors is an integer number (538864984152).

Almost surely, 2^{2155456466333} is an apocalyptic number.

It is an amenable number.

2155456466333 is a deficient number, since it is larger than the sum of its proper divisors (3470275).

2155456466333 is an equidigital number, since it uses as much as digits as its factorization.

2155456466333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470274.

The product of its digits is 23328000, while the sum is 53.

The spelling of 2155456466333 in words is "two trillion, one hundred fifty-five billion, four hundred fifty-six million, four hundred sixty-six thousand, three hundred thirty-three".