196049751 has 4 divisors (see below), whose sum is σ = 261399672. Its totient is φ = 130699832.

The previous prime is 196049747. The next prime is 196049759. The reversal of 196049751 is 157940691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196049751 - 2² = 196049747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196049759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32674956 + ... + 32674961.

It is an arithmetic number, because the mean of its divisors is an integer number (65349918).

Almost surely, 2^196049751 is an apocalyptic number.

196049751 is a deficient number, since it is larger than the sum of its proper divisors (65349921).

196049751 is an equidigital number, since it uses as much as digits as its factorization.

196049751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65349920.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 196049751 is about 14001.7767086895. The cubic root of 196049751 is about 580.9277176507.

The spelling of 196049751 in words is "one hundred ninety-six million, forty-nine thousand, seven hundred fifty-one".