196536645 has 16 divisors (see below), whose sum is σ = 349398720. Its totient is φ = 104819472.

The previous prime is 196536629. The next prime is 196536649. The reversal of 196536645 is 546635691.

It is not a de Polignac number, because 196536645 - 2⁴ = 196536629 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 196536645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196536649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727779 + ... + 728048.

It is an arithmetic number, because the mean of its divisors is an integer number (21837420).

Almost surely, 2^196536645 is an apocalyptic number.

196536645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196536645 is a deficient number, since it is larger than the sum of its proper divisors (152862075).

196536645 is a wasteful number, since it uses less digits than its factorization.

196536645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455841 (or 1455835 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 196536645 is about 14019.1527918059. The cubic root of 196536645 is about 581.4082357952.

The spelling of 196536645 in words is "one hundred ninety-six million, five hundred thirty-six thousand, six hundred forty-five".