66001459 has 8 divisors (see below), whose sum is σ = 69614480. Its totient is φ = 62402400.

The previous prime is 66001447. The next prime is 66001541. The reversal of 66001459 is 95410066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66001459 - 2⁵ = 66001427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66001459.

It is not an unprimeable number, because it can be changed into a prime (66001409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7069 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (8701810).

Almost surely, 2^66001459 is an apocalyptic number.

66001459 is a deficient number, since it is larger than the sum of its proper divisors (3613021).

66001459 is a wasteful number, since it uses less digits than its factorization.

66001459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 66001459 is about 8124.1281993824. The cubic root of 66001459 is about 404.1269799035.

The spelling of 66001459 in words is "sixty-six million, one thousand, four hundred fifty-nine".