66058758 has 12 divisors (see below), whose sum is σ = 143127348. Its totient is φ = 22019580.

The previous prime is 66058757. The next prime is 66058771. The reversal of 66058758 is 85785066.

66058758 is a `hidden beast` number, since 6 + 60 + 587 + 5 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66058757) 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 5 ways as a sum of consecutive naturals, for example, 1834948 + ... + 1834983.

It is an arithmetic number, because the mean of its divisors is an integer number (11927279).

Almost surely, 2^66058758 is an apocalyptic number.

66058758 is an abundant number, since it is smaller than the sum of its proper divisors (77068590).

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

66058758 is a wasteful number, since it uses less digits than its factorization.

66058758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669939 (or 3669936 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 66058758 is about 8127.6539050331. The cubic root of 66058758 is about 404.2438933498.

The spelling of 66058758 in words is "sixty-six million, fifty-eight thousand, seven hundred fifty-eight".