65853198 has 24 divisors (see below), whose sum is σ = 142831728. Its totient is φ = 21928032.

The previous prime is 65853197. The next prime is 65853233. The reversal of 65853198 is 89135856.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65853191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30511 + ... + 32597.

It is an arithmetic number, because the mean of its divisors is an integer number (5951322).

Almost surely, 2^65853198 is an apocalyptic number.

65853198 is an abundant number, since it is smaller than the sum of its proper divisors (76978530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65853198 is a wasteful number, since it uses less digits than its factorization.

65853198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3845 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 65853198 is about 8114.9983364139. The cubic root of 65853198 is about 403.8241523043.

The spelling of 65853198 in words is "sixty-five million, eight hundred fifty-three thousand, one hundred ninety-eight".