66345246 has 24 divisors (see below), whose sum is σ = 156816504. Its totient is φ = 20104560.

The previous prime is 66345229. The next prime is 66345263. The reversal of 66345246 is 64254366.

It is an interprime number because it is at equal distance from previous prime (66345229) and next prime (66345263).

It is a self number, because there is not a number n which added to its sum of digits gives 66345246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167341 + ... + 167736.

It is an arithmetic number, because the mean of its divisors is an integer number (6534021).

Almost surely, 2^66345246 is an apocalyptic number.

66345246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66345246 is an abundant number, since it is smaller than the sum of its proper divisors (90471258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66345246 is a wasteful number, since it uses less digits than its factorization.

66345246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335096 (or 335093 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 66345246 is about 8145.2591119006. The cubic root of 66345246 is about 404.8274344842.

The spelling of 66345246 in words is "sixty-six million, three hundred forty-five thousand, two hundred forty-six".