196957552401 has 27 divisors (see below), whose sum is σ = 295475247561. Its totient is φ = 131281069788.

The previous prime is 196957552339. The next prime is 196957552403. The reversal of 196957552401 is 104255759691.

The square root of 196957552401 is 443799.

It is a perfect power (a square), and thus also a powerful number.

196957552401 is a `hidden beast` number, since 1 + 9 + 69 + 57 + 5 + 524 + 0 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 196957552401 - 2¹¹ = 196957550353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196957552403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35944980 + ... + 35950458.

Almost surely, 2^196957552401 is an apocalyptic number.

196957552401 is the 443799-th square number.

196957552401 is the 221900-th centered octagonal number.

It is an amenable number.

196957552401 is a deficient number, since it is larger than the sum of its proper divisors (98517695160).

196957552401 is an frugal number, since it uses more digits than its factorization.

196957552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982 (or 5482 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 196957552401 in words is "one hundred ninety-six billion, nine hundred fifty-seven million, five hundred fifty-two thousand, four hundred one".