197256012061 has 16 divisors (see below), whose sum is σ = 203097438720. Its totient is φ = 191501901360.

The previous prime is 197256012047. The next prime is 197256012071. The reversal of 197256012061 is 160210652791.

It is a cyclic number.

It is not a de Polignac number, because 197256012061 - 2⁷ = 197256011933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197256012071) 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, 15725130 + ... + 15737668.

It is an arithmetic number, because the mean of its divisors is an integer number (12693589920).

Almost surely, 2^197256012061 is an apocalyptic number.

It is an amenable number.

197256012061 is a deficient number, since it is larger than the sum of its proper divisors (5841426659).

197256012061 is a wasteful number, since it uses less digits than its factorization.

197256012061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 197256012061 in words is "one hundred ninety-seven billion, two hundred fifty-six million, twelve thousand, sixty-one".