196143608677 has 16 divisors (see below), whose sum is σ = 205762857840. Its totient is φ = 186716662272.

The previous prime is 196143608659. The next prime is 196143608711. The reversal of 196143608677 is 776806341691.

It can be written as a sum of positive squares in 8 ways, for example, as 12742120161 + 183401488516 = 112881^2 + 428254^2 .

It is a cyclic number.

It is not a de Polignac number, because 196143608677 - 2¹⁵ = 196143575909 is a prime.

It is a super-2 number, since 2×196143608677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196143608657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6244303 + ... + 6275635.

It is an arithmetic number, because the mean of its divisors is an integer number (12860178615).

Almost surely, 2^196143608677 is an apocalyptic number.

It is an amenable number.

196143608677 is a deficient number, since it is larger than the sum of its proper divisors (9619249163).

196143608677 is a wasteful number, since it uses less digits than its factorization.

196143608677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34392.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 196143608677 in words is "one hundred ninety-six billion, one hundred forty-three million, six hundred eight thousand, six hundred seventy-seven".