345236271766 has 4 divisors (see below), whose sum is σ = 517854407652. Its totient is φ = 172618135882.

The previous prime is 345236271749. The next prime is 345236271811. The reversal of 345236271766 is 667172632543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667172632543 = 271 ⋅2461891633.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86309067940 + ... + 86309067943.

It is an arithmetic number, because the mean of its divisors is an integer number (129463601913).

Almost surely, 2^345236271766 is an apocalyptic number.

345236271766 is a deficient number, since it is larger than the sum of its proper divisors (172618135886).

345236271766 is a wasteful number, since it uses less digits than its factorization.

345236271766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172618135885.

The product of its digits is 7620480, while the sum is 52.

The spelling of 345236271766 in words is "three hundred forty-five billion, two hundred thirty-six million, two hundred seventy-one thousand, seven hundred sixty-six".