196560945 has 32 divisors (see below), whose sum is σ = 399363840. Its totient is φ = 89856000.

The previous prime is 196560943. The next prime is 196560961. The reversal of 196560945 is 549065691.

It is a happy number.

196560945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 196560945 - 2¹ = 196560943 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 196560945.

It is not an unprimeable number, because it can be changed into a prime (196560943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103056 + ... + 104945.

It is an arithmetic number, because the mean of its divisors is an integer number (12480120).

Almost surely, 2^196560945 is an apocalyptic number.

196560945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196560945 is an abundant number, since it is smaller than the sum of its proper divisors (202802895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196560945 is a wasteful number, since it uses less digits than its factorization.

196560945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208022 (or 208016 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 196560945 is about 14020.0194365058. The cubic root of 196560945 is about 581.4321967854.

The spelling of 196560945 in words is "one hundred ninety-six million, five hundred sixty thousand, nine hundred forty-five".