66827796 has 48 divisors (see below), whose sum is σ = 182009856. Its totient is φ = 18686304.

The previous prime is 66827779. The next prime is 66827797. The reversal of 66827796 is 69772866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66827797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (3791872).

Almost surely, 2^66827796 is an apocalyptic number.

It is an amenable number.

66827796 is an abundant number, since it is smaller than the sum of its proper divisors (115182060).

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

66827796 is a wasteful number, since it uses less digits than its factorization.

66827796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988 (or 16986 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 66827796 is about 8174.8269706459. The cubic root of 66827796 is about 405.8065439250.

The spelling of 66827796 in words is "sixty-six million, eight hundred twenty-seven thousand, seven hundred ninety-six".