234661332665 has 4 divisors (see below), whose sum is σ = 281593599204. Its totient is φ = 187729066128.

The previous prime is 234661332649. The next prime is 234661332671. The reversal of 234661332665 is 566233166432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81081993001 + 153579339664 = 284749^2 + 391892^2 .

It is a cyclic number.

It is not a de Polignac number, because 234661332665 - 2⁴ = 234661332649 is a prime.

It is a super-2 number, since 2×234661332665² (a number of 24 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 3 ways as a sum of consecutive naturals, for example, 23466133262 + ... + 23466133271.

It is an arithmetic number, because the mean of its divisors is an integer number (70398399801).

Almost surely, 2^234661332665 is an apocalyptic number.

It is an amenable number.

234661332665 is a deficient number, since it is larger than the sum of its proper divisors (46932266539).

234661332665 is an equidigital number, since it uses as much as digits as its factorization.

234661332665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46932266538.

The product of its digits is 2799360, while the sum is 47.

The spelling of 234661332665 in words is "two hundred thirty-four billion, six hundred sixty-one million, three hundred thirty-two thousand, six hundred sixty-five".