66146108 has 24 divisors (see below), whose sum is σ = 135109632. Its totient is φ = 27744624.

The previous prime is 66146107. The next prime is 66146111. The reversal of 66146108 is 80164166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66146107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23816 + ... + 26447.

It is an arithmetic number, because the mean of its divisors is an integer number (5629568).

Almost surely, 2^66146108 is an apocalyptic number.

It is an amenable number.

66146108 is an abundant number, since it is smaller than the sum of its proper divisors (68963524).

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

66146108 is a wasteful number, since it uses less digits than its factorization.

66146108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50321 (or 50319 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 66146108 is about 8133.0257592116. The cubic root of 66146108 is about 404.4219931340.

The spelling of 66146108 in words is "sixty-six million, one hundred forty-six thousand, one hundred eight".