195164239536 has 400 divisors, whose sum is σ = 666267624000. Its totient is φ = 55123504128.

The previous prime is 195164239531. The next prime is 195164239591. The reversal of 195164239536 is 635932461591.

195164239536 is a `hidden beast` number, since 1 + 9 + 516 + 4 + 2 + 3 + 95 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (195164239531) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39560526 + ... + 39565458.

It is an arithmetic number, because the mean of its divisors is an integer number (1665669060).

Almost surely, 2^195164239536 is an apocalyptic number.

195164239536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195164239536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333133812000).

195164239536 is an abundant number, since it is smaller than the sum of its proper divisors (471103384464).

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

195164239536 is an equidigital number, since it uses as much as digits as its factorization.

195164239536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5034 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 195164239536 in words is "one hundred ninety-five billion, one hundred sixty-four million, two hundred thirty-nine thousand, five hundred thirty-six".