196128746 has 16 divisors (see below), whose sum is σ = 323392608. Its totient is φ = 88467600.

The previous prime is 196128739. The next prime is 196128761. The reversal of 196128746 is 647821691.

It is a junction number, because it is equal to n+sod(n) for n = 196128697 and 196128706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31145 + ... + 36908.

It is an arithmetic number, because the mean of its divisors is an integer number (20212038).

Almost surely, 2^196128746 is an apocalyptic number.

196128746 is a deficient number, since it is larger than the sum of its proper divisors (127263862).

196128746 is a wasteful number, since it uses less digits than its factorization.

196128746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68197.

The product of its digits is 145152, while the sum is 44.

The square root of 196128746 is about 14004.5973165957. The cubic root of 196128746 is about 581.0057322407.

The spelling of 196128746 in words is "one hundred ninety-six million, one hundred twenty-eight thousand, seven hundred forty-six".