66001508 has 12 divisors (see below), whose sum is σ = 115930752. Its totient is φ = 32878440.

The previous prime is 66001447. The next prime is 66001541. The reversal of 66001508 is 80510066.

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, 29360 + ... + 31527.

It is an arithmetic number, because the mean of its divisors is an integer number (9660896).

Almost surely, 2^66001508 is an apocalyptic number.

It is an amenable number.

66001508 is a deficient number, since it is larger than the sum of its proper divisors (49929244).

66001508 is a wasteful number, since it uses less digits than its factorization.

66001508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61162 (or 61160 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 66001508 is about 8124.1312150900. The cubic root of 66001508 is about 404.1270799125.

The spelling of 66001508 in words is "sixty-six million, one thousand, five hundred eight".