196658789074 has 16 divisors (see below), whose sum is σ = 321853131936. Its totient is φ = 89377069600.

The previous prime is 196658789051. The next prime is 196658789099. The reversal of 196658789074 is 470987856691.

It is a junction number, because it is equal to n+sod(n) for n = 196658788994 and 196658789012.

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, 512332 + ... + 809815.

It is an arithmetic number, because the mean of its divisors is an integer number (20115820746).

Almost surely, 2^196658789074 is an apocalyptic number.

196658789074 is a deficient number, since it is larger than the sum of its proper divisors (125194342862).

196658789074 is a wasteful number, since it uses less digits than its factorization.

196658789074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328921.

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 196658789074 in words is "one hundred ninety-six billion, six hundred fifty-eight million, seven hundred eighty-nine thousand, seventy-four".