66033077 has 4 divisors (see below), whose sum is σ = 72036096. Its totient is φ = 60030060.

The previous prime is 66033067. The next prime is 66033089. The reversal of 66033077 is 77033066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66033077 - 2⁴ = 66033061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66033047) 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, 3001493 + ... + 3001514.

It is an arithmetic number, because the mean of its divisors is an integer number (18009024).

Almost surely, 2^66033077 is an apocalyptic number.

It is an amenable number.

66033077 is a deficient number, since it is larger than the sum of its proper divisors (6003019).

66033077 is a wasteful number, since it uses less digits than its factorization.

66033077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003018.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 66033077 is about 8126.0738982611. The cubic root of 66033077 is about 404.1915019469.

The spelling of 66033077 in words is "sixty-six million, thirty-three thousand, seventy-seven".