66077214 has 32 divisors (see below), whose sum is σ = 151842816. Its totient is φ = 18778080.

The previous prime is 66077189. The next prime is 66077233. The reversal of 66077214 is 41277066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (4745088).

Almost surely, 2^66077214 is an apocalyptic number.

66077214 is an abundant number, since it is smaller than the sum of its proper divisors (85765602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66077214 is a wasteful number, since it uses less digits than its factorization.

66077214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 66077214 is about 8128.7892087321. The cubic root of 66077214 is about 404.2815367590.

The spelling of 66077214 in words is "sixty-six million, seventy-seven thousand, two hundred fourteen".