197541060656 has 20 divisors (see below), whose sum is σ = 382954940952. Its totient is φ = 98713979136.

The previous prime is 197541060653. The next prime is 197541060683. The reversal of 197541060656 is 656060145791.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (197541060653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505625 + ... + 3561528.

Almost surely, 2^197541060656 is an apocalyptic number.

197541060656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197541060656 is a deficient number, since it is larger than the sum of its proper divisors (185413880296).

197541060656 is a wasteful number, since it uses less digits than its factorization.

197541060656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068908 (or 7068902 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 197541060656 in words is "one hundred ninety-seven billion, five hundred forty-one million, sixty thousand, six hundred fifty-six".