65198422000 has 160 divisors (see below), whose sum is σ = 167299292160. Its totient is φ = 24521657600.

The previous prime is 65198421989. The next prime is 65198422001. The reversal of 65198422000 is 22489156.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65198422001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2701989 + ... + 2726011.

It is an arithmetic number, because the mean of its divisors is an integer number (1045620576).

Almost surely, 2^65198422000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65198422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83649646080).

65198422000 is an abundant number, since it is smaller than the sum of its proper divisors (102100870160).

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

65198422000 is a wasteful number, since it uses less digits than its factorization.

65198422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128 (or 24112 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 65198422000 in words is "sixty-five billion, one hundred ninety-eight million, four hundred twenty-two thousand".