197159056 has 20 divisors (see below), whose sum is σ = 385569072. Its totient is φ = 97657376.

The previous prime is 197159041. The next prime is 197159071. The reversal of 197159056 is 650951791.

It is an interprime number because it is at equal distance from previous prime (197159041) and next prime (197159071).

It is a super-2 number, since 2×197159056² = 77743386725622272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55870 + ... + 59293.

Almost surely, 2^197159056 is an apocalyptic number.

197159056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197159056 is a deficient number, since it is larger than the sum of its proper divisors (188410016).

197159056 is a wasteful number, since it uses less digits than its factorization.

197159056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115278 (or 115272 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 197159056 is about 14041.3338397746. Note that the first 3 decimals coincide. The cubic root of 197159056 is about 582.0213420609.

The spelling of 197159056 in words is "one hundred ninety-seven million, one hundred fifty-nine thousand, fifty-six".