197661614241 has 16 divisors (see below), whose sum is σ = 324367777664. Its totient is φ = 104261071104.

The previous prime is 197661614231. The next prime is 197661614251. The reversal of 197661614241 is 142416166791.

It is an interprime number because it is at equal distance from previous prime (197661614231) and next prime (197661614251).

It is not a de Polignac number, because 197661614241 - 2¹⁵ = 197661581473 is a prime.

It is a super-2 number, since 2×197661614241² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197661614231) 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, 362017336 + ... + 362017881.

It is an arithmetic number, because the mean of its divisors is an integer number (20272986104).

Almost surely, 2^197661614241 is an apocalyptic number.

It is an amenable number.

197661614241 is a deficient number, since it is larger than the sum of its proper divisors (126706163423).

197661614241 is a wasteful number, since it uses less digits than its factorization.

197661614241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724035240.

The product of its digits is 435456, while the sum is 48.

The spelling of 197661614241 in words is "one hundred ninety-seven billion, six hundred sixty-one million, six hundred fourteen thousand, two hundred forty-one".