2102581162 has 8 divisors (see below), whose sum is σ = 3440587392. Its totient is φ = 955718700.

The previous prime is 2102581157. The next prime is 2102581181. The reversal of 2102581162 is 2611852012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2102581162.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47785914 + ... + 47785957.

It is an arithmetic number, because the mean of its divisors is an integer number (430073424).

Almost surely, 2^2102581162 is an apocalyptic number.

2102581162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102581162 is a deficient number, since it is larger than the sum of its proper divisors (1338006230).

2102581162 is a wasteful number, since it uses less digits than its factorization.

2102581162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95571884.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 2102581162 is about 45853.9110872780. The cubic root of 2102581162 is about 1281.1036140288.

The spelling of 2102581162 in words is "two billion, one hundred two million, five hundred eighty-one thousand, one hundred sixty-two".