21160466043233 has 4 divisors (see below), whose sum is σ = 23084144774448. Its totient is φ = 19236787312020.

The previous prime is 21160466043191. The next prime is 21160466043239. The reversal of 21160466043233 is 33234066406112.

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 21160466043233 - 2³⁶ = 21091746566497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21160466043239) 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, 961839365591 + ... + 961839365612.

It is an arithmetic number, because the mean of its divisors is an integer number (5771036193612).

Almost surely, 2^{21160466043233} is an apocalyptic number.

It is an amenable number.

21160466043233 is a deficient number, since it is larger than the sum of its proper divisors (1923678731215).

21160466043233 is a wasteful number, since it uses less digits than its factorization.

21160466043233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923678731214.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 21160466043233 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-six million, forty-three thousand, two hundred thirty-three".