97066188 has 60 divisors (see below), whose sum is σ = 259974792. Its totient is φ = 31561920.

The previous prime is 97066171. The next prime is 97066201. The reversal of 97066188 is 88166079.

It is a happy 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 in 19 ways as a sum of consecutive naturals, for example, 9631 + ... + 16937.

Almost surely, 2^97066188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97066188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129987396).

97066188 is an abundant number, since it is smaller than the sum of its proper divisors (162908604).

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

97066188 is a wasteful number, since it uses less digits than its factorization.

97066188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364 (or 7353 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 97066188 is about 9852.2174153842. The cubic root of 97066188 is about 459.5745720104.

The spelling of 97066188 in words is "ninety-seven million, sixty-six thousand, one hundred eighty-eight".