2161135533046 has 16 divisors (see below), whose sum is σ = 3728401250976. Its totient is φ = 920301572736.

The previous prime is 2161135533041. The next prime is 2161135533059. The reversal of 2161135533046 is 6403355311612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161135533041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491611891 + ... + 491616286.

It is an arithmetic number, because the mean of its divisors is an integer number (233025078186).

Almost surely, 2^{2161135533046} is an apocalyptic number.

2161135533046 is a deficient number, since it is larger than the sum of its proper divisors (1567265717930).

2161135533046 is a wasteful number, since it uses less digits than its factorization.

2161135533046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983228343.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 2161135533046 in words is "two trillion, one hundred sixty-one billion, one hundred thirty-five million, five hundred thirty-three thousand, forty-six".