97666633 has 8 divisors (see below), whose sum is σ = 100477440. Its totient is φ = 94876320.

The previous prime is 97666601. The next prime is 97666703. The reversal of 97666633 is 33666679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97666633 - 2⁵ = 97666601 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (97666733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4816 + ... + 14782.

It is an arithmetic number, because the mean of its divisors is an integer number (12559680).

Almost surely, 2^97666633 is an apocalyptic number.

It is an amenable number.

97666633 is a deficient number, since it is larger than the sum of its proper divisors (2810807).

97666633 is a wasteful number, since it uses less digits than its factorization.

97666633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247.

The product of its digits is 734832, while the sum is 46.

The square root of 97666633 is about 9882.6430169262. The cubic root of 97666633 is about 460.5202573059.

Adding to 97666633 its sum of digits (46), we get a palindrome (97666679).

The spelling of 97666633 in words is "ninety-seven million, six hundred sixty-six thousand, six hundred thirty-three".