66016026 has 48 divisors (see below), whose sum is σ = 153424320. Its totient is φ = 21039480.

The previous prime is 66016007. The next prime is 66016031. The reversal of 66016026 is 62061066.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27411 + ... + 29721.

It is an arithmetic number, because the mean of its divisors is an integer number (3196340).

Almost surely, 2^66016026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66016026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76712160).

66016026 is an abundant number, since it is smaller than the sum of its proper divisors (87408294).

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

66016026 is a wasteful number, since it uses less digits than its factorization.

66016026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66016026 is about 8125.0246768856. The cubic root of 66016026 is about 404.1567089669.

The spelling of 66016026 in words is "sixty-six million, sixteen thousand, twenty-six".