66502652 has 6 divisors (see below), whose sum is σ = 116379648. Its totient is φ = 33251324.

The previous prime is 66502643. The next prime is 66502663. The reversal of 66502652 is 25620566.

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, 8312828 + ... + 8312835.

It is an arithmetic number, because the mean of its divisors is an integer number (19396608).

Almost surely, 2^66502652 is an apocalyptic number.

It is an amenable number.

66502652 is a deficient number, since it is larger than the sum of its proper divisors (49876996).

66502652 is a wasteful number, since it uses less digits than its factorization.

66502652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625667 (or 16625665 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 66502652 is about 8154.9158180818. The cubic root of 66502652 is about 405.1473365270.

The spelling of 66502652 in words is "sixty-six million, five hundred two thousand, six hundred fifty-two".