197091063 has 20 divisors (see below), whose sum is σ = 317069368. Its totient is φ = 121286160.

The previous prime is 197091029. The next prime is 197091067. The reversal of 197091063 is 360190791.

It is not a de Polignac number, because 197091063 - 2¹⁰ = 197090039 is a prime.

It is a super-2 number, since 2×197091063² = 77689774228939938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197091067) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92533 + ... + 94638.

Almost surely, 2^197091063 is an apocalyptic number.

197091063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

197091063 is a deficient number, since it is larger than the sum of its proper divisors (119978305).

197091063 is a wasteful number, since it uses less digits than its factorization.

197091063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187196 (or 187187 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 197091063 is about 14038.9124578793. The cubic root of 197091063 is about 581.9544283586.

The spelling of 197091063 in words is "one hundred ninety-seven million, ninety-one thousand, sixty-three".