66061024 has 48 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 31065984.

The previous prime is 66061019. The next prime is 66061033. The reversal of 66061024 is 42016066.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66061024.

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, 108529 + ... + 109135.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^66061024 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 66061024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

66061024 is an abundant number, since it is smaller than the sum of its proper divisors (71833376).

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

66061024 is a wasteful number, since it uses less digits than its factorization.

66061024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 66061024 is about 8127.7933044585. The cubic root of 66061024 is about 404.2485155286.

The spelling of 66061024 in words is "sixty-six million, sixty-one thousand, twenty-four".