6198121770 has 16 divisors (see below), whose sum is σ = 14875492320. Its totient is φ = 1652832464.

The previous prime is 6198121751. The next prime is 6198121771. The reversal of 6198121770 is 771218916.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6198121771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103302000 + ... + 103302059.

It is an arithmetic number, because the mean of its divisors is an integer number (929718270).

Almost surely, 2^6198121770 is an apocalyptic number.

6198121770 is an abundant number, since it is smaller than the sum of its proper divisors (8677370550).

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

6198121770 is a wasteful number, since it uses less digits than its factorization.

6198121770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206604069.

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 6198121770 is about 78728.1510642794. The cubic root of 6198121770 is about 1836.9050216770.

The spelling of 6198121770 in words is "six billion, one hundred ninety-eight million, one hundred twenty-one thousand, seven hundred seventy".