196101818 has 32 divisors (see below), whose sum is σ = 335923200. Its totient is φ = 84987760.

The previous prime is 196101809. The next prime is 196101821. The reversal of 196101818 is 818101691.

196101818 = 4037² + 4038² + ... + 4048².

196101818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302771 + ... + 303417.

It is an arithmetic number, because the mean of its divisors is an integer number (10497600).

Almost surely, 2^196101818 is an apocalyptic number.

196101818 is a deficient number, since it is larger than the sum of its proper divisors (139821382).

196101818 is a wasteful number, since it uses less digits than its factorization.

196101818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 196101818 is about 14003.6358850121. The cubic root of 196101818 is about 580.9791407989.

The spelling of 196101818 in words is "one hundred ninety-six million, one hundred one thousand, eight hundred eighteen".