196188451 has 8 divisors (see below), whose sum is σ = 203367600. Its totient is φ = 189036960.

The previous prime is 196188397. The next prime is 196188463. The reversal of 196188451 is 154881691.

196188451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 196188451 - 2²¹ = 194091299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196188398 and 196188407.

It is not an unprimeable number, because it can be changed into a prime (196186451) 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, 8116 + ... + 21406.

It is an arithmetic number, because the mean of its divisors is an integer number (25420950).

Almost surely, 2^196188451 is an apocalyptic number.

196188451 is a deficient number, since it is larger than the sum of its proper divisors (7179149).

196188451 is a wasteful number, since it uses less digits than its factorization.

196188451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829.

The product of its digits is 69120, while the sum is 43.

The square root of 196188451 is about 14006.7287758420. The cubic root of 196188451 is about 581.0646823412.

The spelling of 196188451 in words is "one hundred ninety-six million, one hundred eighty-eight thousand, four hundred fifty-one".