64065211166 has 16 divisors (see below), whose sum is σ = 107390909808. Its totient is φ = 28410292800.

The previous prime is 64065211163. The next prime is 64065211169. The reversal of 64065211166 is 66111256046.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64065211163) and next prime (64065211169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64065211163) 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, 35511965 + ... + 35513768.

It is an arithmetic number, because the mean of its divisors is an integer number (6711931863).

Almost surely, 2^64065211166 is an apocalyptic number.

64065211166 is a deficient number, since it is larger than the sum of its proper divisors (43325698642).

64065211166 is a wasteful number, since it uses less digits than its factorization.

64065211166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71025787.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 64065211166 in words is "sixty-four billion, sixty-five million, two hundred eleven thousand, one hundred sixty-six".