66016252601170 has 16 divisors (see below), whose sum is σ = 119165881472280. Its totient is φ = 26331695087104.

The previous prime is 66016252601161. The next prime is 66016252601203. The reversal of 66016252601170 is 7110625261066.

It can be written as a sum of positive squares in 4 ways, for example, as 59325872024241 + 6690380576929 = 7702329^2 + 2586577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9350740465 + ... + 9350747524.

Almost surely, 2^{66016252601170} is an apocalyptic number.

66016252601170 is a deficient number, since it is larger than the sum of its proper divisors (53149628871110).

66016252601170 is a wasteful number, since it uses less digits than its factorization.

66016252601170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18701488349.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 66016252601170 in words is "sixty-six trillion, sixteen billion, two hundred fifty-two million, six hundred one thousand, one hundred seventy".