197630335990 has 8 divisors (see below), whose sum is σ = 355734604800. Its totient is φ = 79052134392.

The previous prime is 197630335933. The next prime is 197630336023. The reversal of 197630335990 is 99533036791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9881516790 + ... + 9881516809.

It is an arithmetic number, because the mean of its divisors is an integer number (44466825600).

Almost surely, 2^197630335990 is an apocalyptic number.

197630335990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197630335990 is a deficient number, since it is larger than the sum of its proper divisors (158104268810).

197630335990 is a wasteful number, since it uses less digits than its factorization.

197630335990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19763033606.

The product of its (nonzero) digits is 4133430, while the sum is 55.

The spelling of 197630335990 in words is "one hundred ninety-seven billion, six hundred thirty million, three hundred thirty-five thousand, nine hundred ninety".