2838661687161 has 16 divisors (see below), whose sum is σ = 4268192257600. Its totient is φ = 1864195733664.

The previous prime is 2838661687117. The next prime is 2838661687219. The reversal of 2838661687161 is 1617861668382.

2838661687161 is a `hidden beast` number, since 2 + 8 + 3 + 8 + 6 + 616 + 8 + 7 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 2838661687161 - 2⁷ = 2838661687033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2838661687261) 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, 784592356 + ... + 784595973.

It is an arithmetic number, because the mean of its divisors is an integer number (266762016100).

Almost surely, 2^{2838661687161} is an apocalyptic number.

It is an amenable number.

2838661687161 is a deficient number, since it is larger than the sum of its proper divisors (1429530570439).

2838661687161 is a wasteful number, since it uses less digits than its factorization.

2838661687161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569188405 (or 1569188399 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 2838661687161 in words is "two trillion, eight hundred thirty-eight billion, six hundred sixty-one million, six hundred eighty-seven thousand, one hundred sixty-one".