195163691140 has 48 divisors (see below), whose sum is σ = 461524944384. Its totient is φ = 68679302400.

The previous prime is 195163691083. The next prime is 195163691147. The reversal of 195163691140 is 41196361591.

It is not an unprimeable number, because it can be changed into a prime (195163691147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14301369 + ... + 14315008.

It is an arithmetic number, because the mean of its divisors is an integer number (9615103008).

Almost surely, 2^195163691140 is an apocalyptic number.

195163691140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195163691140 is an abundant number, since it is smaller than the sum of its proper divisors (266361253244).

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

195163691140 is a wasteful number, since it uses less digits than its factorization.

195163691140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28616428 (or 28616426 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 195163691140 in words is "one hundred ninety-five billion, one hundred sixty-three million, six hundred ninety-one thousand, one hundred forty".