66346068 has 24 divisors (see below), whose sum is σ = 155507968. Its totient is φ = 22015296.

The previous prime is 66346057. The next prime is 66346079. The reversal of 66346068 is 86064366.

It is an interprime number because it is at equal distance from previous prime (66346057) and next prime (66346079).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 9721 + ... + 15072.

Almost surely, 2^66346068 is an apocalyptic number.

It is an amenable number.

66346068 is an abundant number, since it is smaller than the sum of its proper divisors (89161900).

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

66346068 is a wasteful number, since it uses less digits than its factorization.

66346068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25023 (or 25021 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 66346068 is about 8145.3095705443. The cubic root of 66346068 is about 404.8291063788.

The spelling of 66346068 in words is "sixty-six million, three hundred forty-six thousand, sixty-eight".