1995555106 has 16 divisors (see below), whose sum is σ = 3008073024. Its totient is φ = 992873104.

The previous prime is 1995555073. The next prime is 1995555109. The reversal of 1995555106 is 6015555991.

It is not an unprimeable number, because it can be changed into a prime (1995555109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673380 + ... + 676336.

It is an arithmetic number, because the mean of its divisors is an integer number (188004564).

Almost surely, 2^1995555106 is an apocalyptic number.

1995555106 is a deficient number, since it is larger than the sum of its proper divisors (1012517918).

1995555106 is a wasteful number, since it uses less digits than its factorization.

1995555106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 303750, while the sum is 46.

The square root of 1995555106 is about 44671.6364822244. The cubic root of 1995555106 is about 1258.9869883328.

The spelling of 1995555106 in words is "one billion, nine hundred ninety-five million, five hundred fifty-five thousand, one hundred six".