196605519 has 12 divisors (see below), whose sum is σ = 288138648. Its totient is φ = 119154640.

The previous prime is 196605511. The next prime is 196605533. The reversal of 196605519 is 915506691.

It is not a de Polignac number, because 196605519 - 2³ = 196605511 is a prime.

It is a super-2 number, since 2×196605519² = 77307460202518722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196605511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270444 + ... + 271169.

It is an arithmetic number, because the mean of its divisors is an integer number (24011554).

Almost surely, 2^196605519 is an apocalyptic number.

196605519 is a deficient number, since it is larger than the sum of its proper divisors (91533129).

196605519 is a wasteful number, since it uses less digits than its factorization.

196605519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541638 (or 541627 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 196605519 is about 14021.6090018229. The cubic root of 196605519 is about 581.4761437996.

The spelling of 196605519 in words is "one hundred ninety-six million, six hundred five thousand, five hundred nineteen".