2093681178 has 12 divisors (see below), whose sum is σ = 4536309258. Its totient is φ = 697893720.

The previous prime is 2093681143. The next prime is 2093681203. The reversal of 2093681178 is 8711863902.

2093681178 is a `hidden beast` number, since 209 + 368 + 11 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1472026689 + 621654489 = 38367^2 + 24933^2 .

It is a super-2 number, since 2×2093681178² = 8767001750222935368, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58157793 + ... + 58157828.

Almost surely, 2^2093681178 is an apocalyptic number.

2093681178 is an abundant number, since it is smaller than the sum of its proper divisors (2442628080).

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

2093681178 is a wasteful number, since it uses less digits than its factorization.

2093681178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116315629 (or 116315626 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2093681178 is about 45756.7610086204. The cubic root of 2093681178 is about 1279.2934695396.

The spelling of 2093681178 in words is "two billion, ninety-three million, six hundred eighty-one thousand, one hundred seventy-eight".