66662343 has 24 divisors (see below), whose sum is σ = 105321216. Its totient is φ = 40294800.

The previous prime is 66662327. The next prime is 66662353. The reversal of 66662343 is 34326666.

It is not a de Polignac number, because 66662343 - 2⁴ = 66662327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66662298 and 66662307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66662353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53538 + ... + 54768.

It is an arithmetic number, because the mean of its divisors is an integer number (4388384).

Almost surely, 2^66662343 is an apocalyptic number.

66662343 is a deficient number, since it is larger than the sum of its proper divisors (38658873).

66662343 is a wasteful number, since it uses less digits than its factorization.

66662343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795 (or 1792 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 66662343 is about 8164.7010355554. The cubic root of 66662343 is about 405.4713670440.

It can be divided in two parts, 666623 and 43, that added together give a palindrome (666666).

The spelling of 66662343 in words is "sixty-six million, six hundred sixty-two thousand, three hundred forty-three".