97840165 has 8 divisors (see below), whose sum is σ = 118333440. Its totient is φ = 77655312.

The previous prime is 97840133. The next prime is 97840207. The reversal of 97840165 is 56104879.

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 97840165 - 2⁵ = 97840133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76405 + ... + 77674.

It is an arithmetic number, because the mean of its divisors is an integer number (14791680).

Almost surely, 2^97840165 is an apocalyptic number.

It is an amenable number.

97840165 is a deficient number, since it is larger than the sum of its proper divisors (20493275).

97840165 is a wasteful number, since it uses less digits than its factorization.

97840165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154211.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 97840165 is about 9891.4187556690. The cubic root of 97840165 is about 460.7928434665.

The spelling of 97840165 in words is "ninety-seven million, eight hundred forty thousand, one hundred sixty-five".