66116252 has 6 divisors (see below), whose sum is σ = 115703448. Its totient is φ = 33058124.

The previous prime is 66116233. The next prime is 66116287. The reversal of 66116252 is 25261166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264528 + ... + 8264535.

It is an arithmetic number, because the mean of its divisors is an integer number (19283908).

Almost surely, 2^66116252 is an apocalyptic number.

It is an amenable number.

66116252 is a deficient number, since it is larger than the sum of its proper divisors (49587196).

66116252 is a wasteful number, since it uses less digits than its factorization.

66116252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529067 (or 16529065 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 66116252 is about 8131.1900727999. The cubic root of 66116252 is about 404.3611367435.

The spelling of 66116252 in words is "sixty-six million, one hundred sixteen thousand, two hundred fifty-two".