66027652 has 12 divisors (see below), whose sum is σ = 115676316. Its totient is φ = 32977280.

The previous prime is 66027649. The next prime is 66027673. The reversal of 66027652 is 25672066.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 43217476 = 4776^2 + 6574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849 + ... + 12472.

It is an arithmetic number, because the mean of its divisors is an integer number (9639693).

Almost surely, 2^66027652 is an apocalyptic number.

It is an amenable number.

66027652 is a deficient number, since it is larger than the sum of its proper divisors (49648664).

66027652 is a wasteful number, since it uses less digits than its factorization.

66027652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18278 (or 18276 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 66027652 is about 8125.7400893703. The cubic root of 66027652 is about 404.1804327523.

The spelling of 66027652 in words is "sixty-six million, twenty-seven thousand, six hundred fifty-two".