197480664146 has 16 divisors (see below), whose sum is σ = 306446207040. Its totient is φ = 95332166160.

The previous prime is 197480664137. The next prime is 197480664167. The reversal of 197480664146 is 641466084791.

It is a super-2 number, since 2×197480664146² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197480664091 and 197480664100.

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, 2763041 + ... + 2833611.

It is an arithmetic number, because the mean of its divisors is an integer number (19152887940).

Almost surely, 2^197480664146 is an apocalyptic number.

197480664146 is a deficient number, since it is larger than the sum of its proper divisors (108965542894).

197480664146 is a wasteful number, since it uses less digits than its factorization.

197480664146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118849.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 197480664146 in words is "one hundred ninety-seven billion, four hundred eighty million, six hundred sixty-four thousand, one hundred forty-six".