196218495 has 48 divisors (see below), whose sum is σ = 383853600. Its totient is φ = 91848960.

The previous prime is 196218479. The next prime is 196218527. The reversal of 196218495 is 594812691.

196218495 is a `hidden beast` number, since 19 + 621 + 8 + 4 + 9 + 5 = 666.

It is not a de Polignac number, because 196218495 - 2⁴ = 196218479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 196218495.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 7521 + ... + 21189.

It is an arithmetic number, because the mean of its divisors is an integer number (7996950).

Almost surely, 2^196218495 is an apocalyptic number.

196218495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196218495 is a deficient number, since it is larger than the sum of its proper divisors (187635105).

196218495 is a wasteful number, since it uses less digits than its factorization.

196218495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720 (or 13717 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 196218495 is about 14007.8012193206. The cubic root of 196218495 is about 581.0943419468.

The spelling of 196218495 in words is "one hundred ninety-six million, two hundred eighteen thousand, four hundred ninety-five".