66314546 has 4 divisors (see below), whose sum is σ = 99471822. Its totient is φ = 33157272.

The previous prime is 66314491. The next prime is 66314623. The reversal of 66314546 is 64541366.

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

It can be written as a sum of positive squares in only one way, i.e., 61858225 + 4456321 = 7865^2 + 2111^2 .

It is a super-2 number, since 2×66314546² = 8795238022372232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16578635 + ... + 16578638.

Almost surely, 2^66314546 is an apocalyptic number.

66314546 is a deficient number, since it is larger than the sum of its proper divisors (33157276).

66314546 is a wasteful number, since it uses less digits than its factorization.

66314546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33157275.

The product of its digits is 51840, while the sum is 35.

The square root of 66314546 is about 8143.3743620197. The cubic root of 66314546 is about 404.7649827867.

The spelling of 66314546 in words is "sixty-six million, three hundred fourteen thousand, five hundred forty-six".