196521116 has 36 divisors (see below), whose sum is σ = 379754424. Its totient is φ = 88250400.

The previous prime is 196521107. The next prime is 196521151. The reversal of 196521116 is 611125691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466586 + ... + 467006.

It is an arithmetic number, because the mean of its divisors is an integer number (10548734).

Almost surely, 2^196521116 is an apocalyptic number.

It is an amenable number.

196521116 is a deficient number, since it is larger than the sum of its proper divisors (183233308).

196521116 is a wasteful number, since it uses less digits than its factorization.

196521116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 537 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 196521116 is about 14018.5989314196. The cubic root of 196521116 is about 581.3929224061.

The spelling of 196521116 in words is "one hundred ninety-six million, five hundred twenty-one thousand, one hundred sixteen".