66052870 has 32 divisors (see below), whose sum is σ = 129310272. Its totient is φ = 24147072.

The previous prime is 66052853. The next prime is 66052891. The reversal of 66052870 is 7825066.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10924 + ... + 15856.

It is an arithmetic number, because the mean of its divisors is an integer number (4040946).

Almost surely, 2^66052870 is an apocalyptic number.

66052870 is a deficient number, since it is larger than the sum of its proper divisors (63257402).

66052870 is a wasteful number, since it uses less digits than its factorization.

66052870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 66052870 is about 8127.2916768134. The cubic root of 66052870 is about 404.2318825338.

The spelling of 66052870 in words is "sixty-six million, fifty-two thousand, eight hundred seventy".