66151356 has 12 divisors (see below), whose sum is σ = 154353192. Its totient is φ = 22050448.

The previous prime is 66151333. The next prime is 66151357. The reversal of 66151356 is 65315166.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66151357) 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, 2756295 + ... + 2756318.

It is an arithmetic number, because the mean of its divisors is an integer number (12862766).

Almost surely, 2^66151356 is an apocalyptic number.

It is an amenable number.

66151356 is an abundant number, since it is smaller than the sum of its proper divisors (88201836).

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

66151356 is a wasteful number, since it uses less digits than its factorization.

66151356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512620 (or 5512618 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 66151356 is about 8133.3483879642. The cubic root of 66151356 is about 404.4326883991.

The spelling of 66151356 in words is "sixty-six million, one hundred fifty-one thousand, three hundred fifty-six".