75680166 has 16 divisors (see below), whose sum is σ = 157941504. Its totient is φ = 24129864.

The previous prime is 75680113. The next prime is 75680167. The reversal of 75680166 is 66108657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75680167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274066 + ... + 274341.

It is an arithmetic number, because the mean of its divisors is an integer number (9871344).

Almost surely, 2^75680166 is an apocalyptic number.

75680166 is an abundant number, since it is smaller than the sum of its proper divisors (82261338).

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

75680166 is a wasteful number, since it uses less digits than its factorization.

75680166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548435.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 75680166 is about 8699.4348092276. The cubic root of 75680166 is about 422.9873297906.

The spelling of 75680166 in words is "seventy-five million, six hundred eighty thousand, one hundred sixty-six".