66588472 has 32 divisors (see below), whose sum is σ = 128116800. Its totient is φ = 32431104.

The previous prime is 66588461. The next prime is 66588481. The reversal of 66588472 is 27488566.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153568 + ... + 154000.

It is an arithmetic number, because the mean of its divisors is an integer number (4003650).

Almost surely, 2^66588472 is an apocalyptic number.

It is an amenable number.

66588472 is a deficient number, since it is larger than the sum of its proper divisors (61528328).

66588472 is a wasteful number, since it uses less digits than its factorization.

66588472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 66588472 is about 8160.1759784946. The cubic root of 66588472 is about 405.3215390968.

The spelling of 66588472 in words is "sixty-six million, five hundred eighty-eight thousand, four hundred seventy-two".