2642160831 has 16 divisors (see below), whose sum is σ = 3534541920. Its totient is φ = 1755622400.

The previous prime is 2642160821. The next prime is 2642160923. The reversal of 2642160831 is 1380612462.

It is a cyclic number.

It is not a de Polignac number, because 2642160831 - 2¹⁸ = 2641898687 is a prime.

It is a super-2 number, since 2×2642160831² = 13962027713741221122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2642160792 and 2642160801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642160821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700551 + ... + 1702103.

It is an arithmetic number, because the mean of its divisors is an integer number (220908870).

Almost surely, 2^2642160831 is an apocalyptic number.

2642160831 is a deficient number, since it is larger than the sum of its proper divisors (892381089).

2642160831 is a wasteful number, since it uses less digits than its factorization.

2642160831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2642160831 is about 51401.9535718245. The cubic root of 2642160831 is about 1382.4616203606.

The spelling of 2642160831 in words is "two billion, six hundred forty-two million, one hundred sixty thousand, eight hundred thirty-one".