97666196 has 24 divisors (see below), whose sum is σ = 173925696. Its totient is φ = 47980800.

The previous prime is 97666193. The next prime is 97666253. The reversal of 97666196 is 69166679.

It is a happy number.

It is a super-2 number, since 2×97666196² = 19077371682220832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97666193) 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, 57755 + ... + 59421.

It is an arithmetic number, because the mean of its divisors is an integer number (7246904).

Almost surely, 2^97666196 is an apocalyptic number.

It is an amenable number.

97666196 is a deficient number, since it is larger than the sum of its proper divisors (76259500).

97666196 is a wasteful number, since it uses less digits than its factorization.

97666196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1917 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 97666196 is about 9882.6209074314. The cubic root of 97666196 is about 460.5195704536.

The spelling of 97666196 in words is "ninety-seven million, six hundred sixty-six thousand, one hundred ninety-six".