196142637027 has 4 divisors (see below), whose sum is σ = 261523516040. Its totient is φ = 130761758016.

The previous prime is 196142636993. The next prime is 196142637049. The reversal of 196142637027 is 720736241691.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196142637027 - 2¹¹ = 196142634979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196142637127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32690439502 + ... + 32690439507.

It is an arithmetic number, because the mean of its divisors is an integer number (65380879010).

Almost surely, 2^196142637027 is an apocalyptic number.

196142637027 is a deficient number, since it is larger than the sum of its proper divisors (65380879013).

196142637027 is an equidigital number, since it uses as much as digits as its factorization.

196142637027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65380879012.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 196142637027 in words is "one hundred ninety-six billion, one hundred forty-two million, six hundred thirty-seven thousand, twenty-seven".