197793672446 has 16 divisors (see below), whose sum is σ = 300091320720. Its totient is φ = 97763730240.

The previous prime is 197793672413. The next prime is 197793672463. The reversal of 197793672446 is 644276397791.

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, 687176 + ... + 931556.

It is an arithmetic number, because the mean of its divisors is an integer number (18755707545).

Almost surely, 2^197793672446 is an apocalyptic number.

197793672446 is a deficient number, since it is larger than the sum of its proper divisors (102297648274).

197793672446 is a wasteful number, since it uses less digits than its factorization.

197793672446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249019.

The product of its digits is 96018048, while the sum is 65.

The spelling of 197793672446 in words is "one hundred ninety-seven billion, seven hundred ninety-three million, six hundred seventy-two thousand, four hundred forty-six".