66376067 has 4 divisors (see below), whose sum is σ = 66392976. Its totient is φ = 66359160.

The previous prime is 66376049. The next prime is 66376069. The reversal of 66376067 is 76067366.

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

It is a cyclic number.

It is not a de Polignac number, because 66376067 - 2⁸ = 66375811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66376069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (16598244).

Almost surely, 2^66376067 is an apocalyptic number.

66376067 is a deficient number, since it is larger than the sum of its proper divisors (16909).

66376067 is a wasteful number, since it uses less digits than its factorization.

66376067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16908.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 66376067 is about 8147.1508516781. The cubic root of 66376067 is about 404.8901129503.

The spelling of 66376067 in words is "sixty-six million, three hundred seventy-six thousand, sixty-seven".