66313542 has 8 divisors (see below), whose sum is σ = 132627096. Its totient is φ = 22104512.

The previous prime is 66313537. The next prime is 66313543. The reversal of 66313542 is 24531366.

It is a sphenic number, since it is the product of 3 distinct primes.

66313542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66313543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526123 + ... + 5526134.

It is an arithmetic number, because the mean of its divisors is an integer number (16578387).

Almost surely, 2^66313542 is an apocalyptic number.

66313542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66313542 is a wasteful number, since it uses less digits than its factorization.

66313542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052262.

The product of its digits is 12960, while the sum is 30.

The square root of 66313542 is about 8143.3127165792. The cubic root of 66313542 is about 404.7629400670.

The spelling of 66313542 in words is "sixty-six million, three hundred thirteen thousand, five hundred forty-two".