2161334575 has 24 divisors (see below), whose sum is σ = 2735467280. Its totient is φ = 1693612800.

The previous prime is 2161334563. The next prime is 2161334603. The reversal of 2161334575 is 5754331612.

It is not a de Polignac number, because 2161334575 - 2⁵ = 2161334543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299611 + ... + 306739.

Almost surely, 2^2161334575 is an apocalyptic number.

2161334575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2161334575 is a deficient number, since it is larger than the sum of its proper divisors (574132705).

2161334575 is a wasteful number, since it uses less digits than its factorization.

2161334575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387 (or 7382 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 2161334575 is about 46490.1556783799. The cubic root of 2161334575 is about 1292.9269864925.

The spelling of 2161334575 in words is "two billion, one hundred sixty-one million, three hundred thirty-four thousand, five hundred seventy-five".