66768096 has 48 divisors (see below), whose sum is σ = 175770000. Its totient is φ = 22192128.

The previous prime is 66768089. The next prime is 66768137. The reversal of 66768096 is 69086766.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 42330 + ... + 43878.

It is an arithmetic number, because the mean of its divisors is an integer number (3661875).

Almost surely, 2^66768096 is an apocalyptic number.

It is an amenable number.

66768096 is an abundant number, since it is smaller than the sum of its proper divisors (109001904).

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

66768096 is a wasteful number, since it uses less digits than its factorization.

66768096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2003 counting only the distinct ones).

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

The square root of 66768096 is about 8171.1747013511. The cubic root of 66768096 is about 405.6856667356.

The spelling of 66768096 in words is "sixty-six million, seven hundred sixty-eight thousand, ninety-six".