197340566990 has 96 divisors (see below), whose sum is σ = 415434852864. Its totient is φ = 67492686240.

The previous prime is 197340566981. The next prime is 197340567037. The reversal of 197340566990 is 99665043791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81848885 + ... + 81851295.

It is an arithmetic number, because the mean of its divisors is an integer number (4327446384).

Almost surely, 2^197340566990 is an apocalyptic number.

197340566990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197340566990 is an abundant number, since it is smaller than the sum of its proper divisors (218094285874).

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

197340566990 is an frugal number, since it uses more digits than its factorization.

197340566990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 197340566990 in words is "one hundred ninety-seven billion, three hundred forty million, five hundred sixty-six thousand, nine hundred ninety".