196656501129 has 32 divisors (see below), whose sum is σ = 296707766784. Its totient is φ = 114819223680.

The previous prime is 196656501101. The next prime is 196656501133. The reversal of 196656501129 is 921105656691.

It is not a de Polignac number, because 196656501129 - 2¹² = 196656497033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196656501179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845647 + ... + 1052820.

It is an arithmetic number, because the mean of its divisors is an integer number (9272117712).

Almost surely, 2^196656501129 is an apocalyptic number.

It is an amenable number.

196656501129 is a deficient number, since it is larger than the sum of its proper divisors (100051265655).

196656501129 is a wasteful number, since it uses less digits than its factorization.

196656501129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898597.

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 196656501129 in words is "one hundred ninety-six billion, six hundred fifty-six million, five hundred one thousand, one hundred twenty-nine".