1620848195 has 8 divisors (see below), whose sum is σ = 1954237200. Its totient is φ = 1290532320.

The previous prime is 1620848191. The next prime is 1620848209. The reversal of 1620848195 is 5918480261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1620848195 - 2² = 1620848191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1620848191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767120 + ... + 769229.

It is an arithmetic number, because the mean of its divisors is an integer number (244279650).

Almost surely, 2^1620848195 is an apocalyptic number.

1620848195 is a deficient number, since it is larger than the sum of its proper divisors (333389005).

1620848195 is a wasteful number, since it uses less digits than its factorization.

1620848195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536565.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1620848195 is about 40259.7590032529. The cubic root of 1620848195 is about 1174.6652301162.

The spelling of 1620848195 in words is "one billion, six hundred twenty million, eight hundred forty-eight thousand, one hundred ninety-five".