66146099 has 8 divisors (see below), whose sum is σ = 70396128. Its totient is φ = 61936000.

The previous prime is 66146063. The next prime is 66146107. The reversal of 66146099 is 99064166.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66146099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66146029) 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, 6527 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (8799516).

Almost surely, 2^66146099 is an apocalyptic number.

66146099 is a deficient number, since it is larger than the sum of its proper divisors (4250029).

66146099 is a wasteful number, since it uses less digits than its factorization.

66146099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 66146099 is about 8133.0252059120. The cubic root of 66146099 is about 404.4219747918.

The spelling of 66146099 in words is "sixty-six million, one hundred forty-six thousand, ninety-nine".