66530662 has 36 divisors (see below), whose sum is σ = 114321564. Its totient is φ = 28797840.

The previous prime is 66530641. The next prime is 66530689. The reversal of 66530662 is 26603566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1415523 + ... + 1415569.

It is an arithmetic number, because the mean of its divisors is an integer number (3175599).

Almost surely, 2^66530662 is an apocalyptic number.

66530662 is a deficient number, since it is larger than the sum of its proper divisors (47790902).

66530662 is a wasteful number, since it uses less digits than its factorization.

66530662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 66530662 is about 8156.6330063329. The cubic root of 66530662 is about 405.2042093669.

The spelling of 66530662 in words is "sixty-six million, five hundred thirty thousand, six hundred sixty-two".