71606164 has 24 divisors (see below), whose sum is σ = 143454080. Its totient is φ = 30636576.

The previous prime is 71606147. The next prime is 71606167. The reversal of 71606164 is 46160617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71606167) 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, 18049 + ... + 21655.

Almost surely, 2^71606164 is an apocalyptic number.

It is an amenable number.

71606164 is an abundant number, since it is smaller than the sum of its proper divisors (71847916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71606164 is a wasteful number, since it uses less digits than its factorization.

71606164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4325 counting only the distinct ones).

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

The square root of 71606164 is about 8462.0425430271. The cubic root of 71606164 is about 415.2568478239.

The spelling of 71606164 in words is "seventy-one million, six hundred six thousand, one hundred sixty-four".