66067896 has 64 divisors (see below), whose sum is σ = 169303680. Its totient is φ = 21479040.

The previous prime is 66067879. The next prime is 66067901. The reversal of 66067896 is 69876066.

It is a happy number.

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, 290935 + ... + 291161.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2^66067896 is an apocalyptic number.

It is an amenable number.

66067896 is an abundant number, since it is smaller than the sum of its proper divisors (103235784).

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

66067896 is a wasteful number, since it uses less digits than its factorization.

66067896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 66067896 is about 8128.2160404359. The cubic root of 66067896 is about 404.2625323639.

The spelling of 66067896 in words is "sixty-six million, sixty-seven thousand, eight hundred ninety-six".