71166064 has 10 divisors (see below), whose sum is σ = 137884280. Its totient is φ = 35583024.

The previous prime is 71166041. The next prime is 71166079. The reversal of 71166064 is 46066117.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223924 + ... + 2223955.

It is an arithmetic number, because the mean of its divisors is an integer number (13788428).

Almost surely, 2^71166064 is an apocalyptic number.

It is an amenable number.

71166064 is a deficient number, since it is larger than the sum of its proper divisors (66718216).

71166064 is a wasteful number, since it uses less digits than its factorization.

71166064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447887 (or 4447881 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 71166064 is about 8435.9981033663. The cubic root of 71166064 is about 414.4043596089.

The spelling of 71166064 in words is "seventy-one million, one hundred sixty-six thousand, sixty-four".