195142536992 has 54 divisors (see below), whose sum is σ = 416082267153. Its totient is φ = 90050792832.

The previous prime is 195142536989. The next prime is 195142537043. The reversal of 195142536992 is 299635241591.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 166852642576 + 28289894416 = 408476^2 + 168196^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=312364.

It is a super-3 number, since 3×195142536992³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32482853 + ... + 32488859.

Almost surely, 2^195142536992 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 195142536992

195142536992 is an abundant number, since it is smaller than the sum of its proper divisors (220939730161).

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

195142536992 is an frugal number, since it uses more digits than its factorization.

195142536992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050 (or 6022 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 56.

The spelling of 195142536992 in words is "one hundred ninety-five billion, one hundred forty-two million, five hundred thirty-six thousand, nine hundred ninety-two".