2091617162 has 16 divisors (see below), whose sum is σ = 3158267112. Its totient is φ = 1038878400.

The previous prime is 2091617153. The next prime is 2091617167. The reversal of 2091617162 is 2617161902.

It can be written as a sum of positive squares in 4 ways, for example, as 1608892321 + 482724841 = 40111^2 + 21971^2 .

It is not an unprimeable number, because it can be changed into a prime (2091617167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272408 + ... + 279980.

Almost surely, 2^2091617162 is an apocalyptic number.

2091617162 is a deficient number, since it is larger than the sum of its proper divisors (1066649950).

2091617162 is a wasteful number, since it uses less digits than its factorization.

2091617162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2091617162 is about 45734.2012284024. The cubic root of 2091617162 is about 1278.8729422274.

The spelling of 2091617162 in words is "two billion, ninety-one million, six hundred seventeen thousand, one hundred sixty-two".