196437974464 has 28 divisors (see below), whose sum is σ = 389821993024. Its totient is φ = 98215110144.

The previous prime is 196437974449. The next prime is 196437974483. The reversal of 196437974464 is 464479734691.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 196437974396 and 196437974405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266129 + ... + 2351215.

Almost surely, 2^196437974464 is an apocalyptic number.

It is an amenable number.

196437974464 is a deficient number, since it is larger than the sum of its proper divisors (193384018560).

196437974464 is an equidigital number, since it uses as much as digits as its factorization.

196437974464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121172 (or 121162 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 64.

The spelling of 196437974464 in words is "one hundred ninety-six billion, four hundred thirty-seven million, nine hundred seventy-four thousand, four hundred sixty-four".