196528761 has 120 divisors (see below), whose sum is σ = 371758464. Its totient is φ = 101943360.

The previous prime is 196528757. The next prime is 196528769. The reversal of 196528761 is 167825691.

It is not a de Polignac number, because 196528761 - 2² = 196528757 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196528769) by changing a digit.

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 119 ways as a sum of consecutive naturals, for example, 4181440 + ... + 4181486.

Almost surely, 2^196528761 is an apocalyptic number.

196528761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196528761 is a deficient number, since it is larger than the sum of its proper divisors (175229703).

196528761 is a wasteful number, since it uses less digits than its factorization.

196528761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 93 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 196528761 is about 14018.8716022368. The cubic root of 196528761 is about 581.4004613606.

The spelling of 196528761 in words is "one hundred ninety-six million, five hundred twenty-eight thousand, seven hundred sixty-one".