1345546666 has 8 divisors (see below), whose sum is σ = 2021129280. Its totient is φ = 671836908.

The previous prime is 1345546649. The next prime is 1345546673. The reversal of 1345546666 is 6666455431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 466416 + ... + 469291.

It is an arithmetic number, because the mean of its divisors is an integer number (252641160).

Almost surely, 2^1345546666 is an apocalyptic number.

1345546666 is a deficient number, since it is larger than the sum of its proper divisors (675582614).

1345546666 is an equidigital number, since it uses as much as digits as its factorization.

1345546666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936428.

The product of its digits is 1555200, while the sum is 46.

The square root of 1345546666 is about 36681.6938812809. The cubic root of 1345546666 is about 1103.9928350765.

The spelling of 1345546666 in words is "one billion, three hundred forty-five million, five hundred forty-six thousand, six hundred sixty-six".