197969144880 has 80 divisors (see below), whose sum is σ = 660912386400. Its totient is φ = 48730865664.

The previous prime is 197969144869. The next prime is 197969144909. The reversal of 197969144880 is 88441969791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31722705 + ... + 31728944.

It is an arithmetic number, because the mean of its divisors is an integer number (8261404830).

Almost surely, 2^197969144880 is an apocalyptic number.

197969144880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197969144880 is an abundant number, since it is smaller than the sum of its proper divisors (462943241520).

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

197969144880 is a wasteful number, since it uses less digits than its factorization.

197969144880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63451678 (or 63451672 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 197969144880 in words is "one hundred ninety-seven billion, nine hundred sixty-nine million, one hundred forty-four thousand, eight hundred eighty".