66132077 has 8 divisors (see below), whose sum is σ = 72845760. Its totient is φ = 59535360.

The previous prime is 66132071. The next prime is 66132109. The reversal of 66132077 is 77023166.

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 66132077 - 2¹² = 66127981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66132071) 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, 28052 + ... + 30317.

It is an arithmetic number, because the mean of its divisors is an integer number (9105720).

Almost surely, 2^66132077 is an apocalyptic number.

It is an amenable number.

66132077 is a deficient number, since it is larger than the sum of its proper divisors (6713683).

66132077 is a wasteful number, since it uses less digits than its factorization.

66132077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58483.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 66132077 is about 8132.1631193674. The cubic root of 66132077 is about 404.3933956023.

The spelling of 66132077 in words is "sixty-six million, one hundred thirty-two thousand, seventy-seven".