197440955182 has 4 divisors (see below), whose sum is σ = 296161432776. Its totient is φ = 98720477590.

The previous prime is 197440955177. The next prime is 197440955209. The reversal of 197440955182 is 281559044791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 281559044791 = 29 ⋅9708932579.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49360238794 + ... + 49360238797.

It is an arithmetic number, because the mean of its divisors is an integer number (74040358194).

Almost surely, 2^197440955182 is an apocalyptic number.

197440955182 is a deficient number, since it is larger than the sum of its proper divisors (98720477594).

197440955182 is an equidigital number, since it uses as much as digits as its factorization.

197440955182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98720477593.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 197440955182 in words is "one hundred ninety-seven billion, four hundred forty million, nine hundred fifty-five thousand, one hundred eighty-two".