2195456919960 has 32 divisors (see below), whose sum is σ = 6586370760240. Its totient is φ = 585455178624.

The previous prime is 2195456919959. The next prime is 2195456920057. The reversal of 2195456919960 is 699196545912.

It is a junction number, because it is equal to n+sod(n) for n = 2195456919891 and 2195456919900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9147737047 + ... + 9147737286.

Almost surely, 2^{2195456919960} is an apocalyptic number.

2195456919960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2195456919960 is an abundant number, since it is smaller than the sum of its proper divisors (4390913840280).

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

2195456919960 is a wasteful number, since it uses less digits than its factorization.

2195456919960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295474347 (or 18295474343 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 66.

The spelling of 2195456919960 in words is "two trillion, one hundred ninety-five billion, four hundred fifty-six million, nine hundred nineteen thousand, nine hundred sixty".