71668160 has 28 divisors (see below), whose sum is σ = 170660568. Its totient is φ = 28667136.

The previous prime is 71668139. The next prime is 71668169. The reversal of 71668160 is 6186617.

It is a self number, because there is not a number n which added to its sum of digits gives 71668160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71668169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111662 + ... + 112301.

Almost surely, 2^71668160 is an apocalyptic number.

It is an amenable number.

71668160 is an abundant number, since it is smaller than the sum of its proper divisors (98992408).

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

71668160 is a wasteful number, since it uses less digits than its factorization.

71668160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223980 (or 223970 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 71668160 is about 8465.7049322546. The cubic root of 71668160 is about 415.3766551885.

The spelling of 71668160 in words is "seventy-one million, six hundred sixty-eight thousand, one hundred sixty".