66000846 has 32 divisors (see below), whose sum is σ = 138786048. Its totient is φ = 20884160.

The previous prime is 66000821. The next prime is 66000863. The reversal of 66000846 is 64800066.

It is a happy number.

It is a super-2 number, since 2×66000846² = 8712223345431432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17161 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (4337064).

Almost surely, 2^66000846 is an apocalyptic number.

66000846 is an abundant number, since it is smaller than the sum of its proper divisors (72785202).

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

66000846 is a wasteful number, since it uses less digits than its factorization.

66000846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 66000846 is about 8124.0904721698. The cubic root of 66000846 is about 404.1257287665.

The spelling of 66000846 in words is "sixty-six million, eight hundred forty-six", and thus it is an aban number.