66052185 has 16 divisors (see below), whose sum is σ = 106080000. Its totient is φ = 35095680.

The previous prime is 66052183. The next prime is 66052199. The reversal of 66052185 is 58125066.

It is not a de Polignac number, because 66052185 - 2¹ = 66052183 is a prime.

It is a super-2 number, since 2×66052185² = 8725782286548450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66052183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4060 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (6630000).

Almost surely, 2^66052185 is an apocalyptic number.

It is an amenable number.

66052185 is a deficient number, since it is larger than the sum of its proper divisors (40027815).

66052185 is a wasteful number, since it uses less digits than its factorization.

66052185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 66052185 is about 8127.2495347442. The cubic root of 66052185 is about 404.2304851693.

The spelling of 66052185 in words is "sixty-six million, fifty-two thousand, one hundred eighty-five".