196974263566081 has 16 divisors (see below), whose sum is σ = 200948018832000. Its totient is φ = 193035025991808.

The previous prime is 196974263566033. The next prime is 196974263566103. The reversal of 196974263566081 is 180665362479691.

It is a cyclic number.

It is not a de Polignac number, because 196974263566081 - 2⁴¹ = 194775240310529 is a prime.

It is a super-2 number, since 2×196974263566081² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196974263565995 and 196974263566013.

It is not an unprimeable number, because it can be changed into a prime (196974263566001) 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, 806491620 + ... + 806735818.

It is an arithmetic number, because the mean of its divisors is an integer number (12559251177000).

It is a 1-persistent number, because it is pandigital, but 2⋅196974263566081 = 393948527132162 is not.

Almost surely, 2^{196974263566081} is an apocalyptic number.

It is an amenable number.

196974263566081 is a deficient number, since it is larger than the sum of its proper divisors (3973755265919).

196974263566081 is a wasteful number, since it uses less digits than its factorization.

196974263566081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314808.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 196974263566081 in words is "one hundred ninety-six trillion, nine hundred seventy-four billion, two hundred sixty-three million, five hundred sixty-six thousand, eighty-one".