66306371 has 8 divisors (see below), whose sum is σ = 69922320. Its totient is φ = 62703072.

The previous prime is 66306367. The next prime is 66306377. The reversal of 66306371 is 17360366.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66306371 - 2² = 66306367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66306377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8801 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (8740290).

Almost surely, 2^66306371 is an apocalyptic number.

66306371 is a deficient number, since it is larger than the sum of its proper divisors (3615949).

66306371 is a wasteful number, since it uses less digits than its factorization.

66306371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 66306371 is about 8142.8724047476. The cubic root of 66306371 is about 404.7483494842.

The spelling of 66306371 in words is "sixty-six million, three hundred six thousand, three hundred seventy-one".