66501352 has 8 divisors (see below), whose sum is σ = 124690050. Its totient is φ = 33250672.

The previous prime is 66501341. The next prime is 66501367. The reversal of 66501352 is 25310566.

It can be written as a sum of positive squares in only one way, i.e., 62315236 + 4186116 = 7894^2 + 2046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 66501352.

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 as a sum of consecutive naturals, namely, 4156327 + ... + 4156342.

Almost surely, 2^66501352 is an apocalyptic number.

It is an amenable number.

66501352 is a deficient number, since it is larger than the sum of its proper divisors (58188698).

66501352 is a wasteful number, since it uses less digits than its factorization.

66501352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312675 (or 8312671 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 66501352 is about 8154.8361111674. The cubic root of 66501352 is about 405.1446965572.

The spelling of 66501352 in words is "sixty-six million, five hundred one thousand, three hundred fifty-two".