97618163 has 4 divisors (see below), whose sum is σ = 100767168. Its totient is φ = 94469160.

The previous prime is 97618159. The next prime is 97618211. The reversal of 97618163 is 36181679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36181679 = 97 ⋅373007.

It is a cyclic number.

It is not a de Polignac number, because 97618163 - 2² = 97618159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97618163.

It is not an unprimeable number, because it can be changed into a prime (97618153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574456 + ... + 1574517.

It is an arithmetic number, because the mean of its divisors is an integer number (25191792).

Almost surely, 2^97618163 is an apocalyptic number.

97618163 is a deficient number, since it is larger than the sum of its proper divisors (3149005).

97618163 is a wasteful number, since it uses less digits than its factorization.

97618163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149004.

The product of its digits is 54432, while the sum is 41.

The square root of 97618163 is about 9880.1904333874. The cubic root of 97618163 is about 460.4440623635. Note that the first 3 decimals are identical.

The spelling of 97618163 in words is "ninety-seven million, six hundred eighteen thousand, one hundred sixty-three".