66001460 has 24 divisors (see below), whose sum is σ = 158403840. Its totient is φ = 22629024.

The previous prime is 66001447. The next prime is 66001541. The reversal of 66001460 is 6410066.

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, 235580 + ... + 235859.

It is an arithmetic number, because the mean of its divisors is an integer number (6600160).

Almost surely, 2^66001460 is an apocalyptic number.

It is an amenable number.

66001460 is an abundant number, since it is smaller than the sum of its proper divisors (92402380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66001460 is a wasteful number, since it uses less digits than its factorization.

66001460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471455 (or 471453 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 66001460 is about 8124.1282609274. The cubic root of 66001460 is about 404.1269819445.

The spelling of 66001460 in words is "sixty-six million, one thousand, four hundred sixty".