197145414580 has 24 divisors (see below), whose sum is σ = 419836435200. Its totient is φ = 77747486880.

The previous prime is 197145414551. The next prime is 197145414617. The reversal of 197145414580 is 85414541791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69415980 + ... + 69418819.

It is an arithmetic number, because the mean of its divisors is an integer number (17493184800).

Almost surely, 2^197145414580 is an apocalyptic number.

197145414580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197145414580 is an abundant number, since it is smaller than the sum of its proper divisors (222691020620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197145414580 is a wasteful number, since it uses less digits than its factorization.

197145414580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138834879 (or 138834877 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 197145414580 in words is "one hundred ninety-seven billion, one hundred forty-five million, four hundred fourteen thousand, five hundred eighty".