66790096 has 20 divisors (see below), whose sum is σ = 129929184. Its totient is φ = 33260000.

The previous prime is 66790079. The next prime is 66790099. The reversal of 66790096 is 69009766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66790099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4300 + ... + 12331.

Almost surely, 2^66790096 is an apocalyptic number.

It is an amenable number.

66790096 is a deficient number, since it is larger than the sum of its proper divisors (63139088).

66790096 is a wasteful number, since it uses less digits than its factorization.

66790096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890 (or 16884 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 66790096 is about 8172.5207861467. The cubic root of 66790096 is about 405.7302194742.

The spelling of 66790096 in words is "sixty-six million, seven hundred ninety thousand, ninety-six".