97668189 has 36 divisors (see below), whose sum is σ = 155484576. Its totient is φ = 58958064.

The previous prime is 97668169. The next prime is 97668199. The reversal of 97668189 is 98186679.

It is not a de Polignac number, because 97668189 - 2⁵ = 97668157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97668119) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74074 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (4319016).

Almost surely, 2^97668189 is an apocalyptic number.

It is an amenable number.

97668189 is a deficient number, since it is larger than the sum of its proper divisors (57816387).

97668189 is a wasteful number, since it uses less digits than its factorization.

97668189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1352 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 97668189 is about 9882.7217404923. The cubic root of 97668189 is about 460.5227029236.

It can be divided in two parts, 9766 and 8189, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 97668189 in words is "ninety-seven million, six hundred sixty-eight thousand, one hundred eighty-nine".