2048161511886 has 32 divisors (see below), whose sum is σ = 4681564823040. Its totient is φ = 585182403936.

The previous prime is 2048161511867. The next prime is 2048161511927. The reversal of 2048161511886 is 6881151618402.

It is a happy number.

It is a super-2 number, since 2×2048161511886² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4447920 + ... + 4886748.

It is an arithmetic number, because the mean of its divisors is an integer number (146298900720).

Almost surely, 2^{2048161511886} is an apocalyptic number.

2048161511886 is an abundant number, since it is smaller than the sum of its proper divisors (2633403311154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2048161511886 is a wasteful number, since it uses less digits than its factorization.

2048161511886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549968.

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 2048161511886 in words is "two trillion, forty-eight billion, one hundred sixty-one million, five hundred eleven thousand, eight hundred eighty-six".