196549768351 has 8 divisors (see below), whose sum is σ = 203332306320. Its totient is φ = 189767561088.

The previous prime is 196549768333. The next prime is 196549768381. The reversal of 196549768351 is 153867945691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196549768351 - 2⁵ = 196549768319 is a prime.

It is a super-2 number, since 2×196549768351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196549768301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136240 + ... + 2226346.

It is an arithmetic number, because the mean of its divisors is an integer number (25416538290).

Almost surely, 2^196549768351 is an apocalyptic number.

196549768351 is a deficient number, since it is larger than the sum of its proper divisors (6782537969).

196549768351 is an equidigital number, since it uses as much as digits as its factorization.

196549768351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165353.

The product of its digits is 48988800, while the sum is 64.

The spelling of 196549768351 in words is "one hundred ninety-six billion, five hundred forty-nine million, seven hundred sixty-eight thousand, three hundred fifty-one".