97664266 has 32 divisors (see below), whose sum is σ = 174607488. Its totient is φ = 40098240.

The previous prime is 97664249. The next prime is 97664267. The reversal of 97664266 is 66246679.

It is not an unprimeable number, because it can be changed into a prime (97664267) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30376 + ... + 33436.

It is an arithmetic number, because the mean of its divisors is an integer number (5456484).

Almost surely, 2^97664266 is an apocalyptic number.

97664266 is a deficient number, since it is larger than the sum of its proper divisors (76943222).

97664266 is a wasteful number, since it uses less digits than its factorization.

97664266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its digits is 653184, while the sum is 46.

The square root of 97664266 is about 9882.5232607872. The cubic root of 97664266 is about 460.5165369625.

The spelling of 97664266 in words is "ninety-seven million, six hundred sixty-four thousand, two hundred sixty-six".