66201248 has 24 divisors (see below), whose sum is σ = 131173812. Its totient is φ = 32887296.

The previous prime is 66201227. The next prime is 66201253. The reversal of 66201248 is 84210266.

It can be written as a sum of positive squares in 2 ways, for example, as 66129424 + 71824 = 8132^2 + 268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66201248.

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, 1565 + ... + 11612.

Almost surely, 2^66201248 is an apocalyptic number.

It is an amenable number.

66201248 is a deficient number, since it is larger than the sum of its proper divisors (64972564).

66201248 is a wasteful number, since it uses less digits than its factorization.

66201248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344 (or 13336 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 66201248 is about 8136.4149353385. The cubic root of 66201248 is about 404.5343385453.

The spelling of 66201248 in words is "sixty-six million, two hundred one thousand, two hundred forty-eight".