66854848 has 42 divisors (see below), whose sum is σ = 137208768. Its totient is φ = 32319360.

The previous prime is 66854791. The next prime is 66854861. The reversal of 66854848 is 84845866.

It is a super-2 number, since 2×66854848² = 8939141402206208, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60961 + ... + 62047.

Almost surely, 2^66854848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66854848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68604384).

66854848 is an abundant number, since it is smaller than the sum of its proper divisors (70353920).

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

66854848 is a wasteful number, since it uses less digits than its factorization.

66854848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1120 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 66854848 is about 8176.4813948299. The cubic root of 66854848 is about 405.8612935867.

The spelling of 66854848 in words is "sixty-six million, eight hundred fifty-four thousand, eight hundred forty-eight".