2193677136 has 120 divisors (see below), whose sum is σ = 7078743360. Its totient is φ = 621186048.

The previous prime is 2193677071. The next prime is 2193677147. The reversal of 2193677136 is 6317763912.

2193677136 is a `hidden beast` number, since 219 + 367 + 71 + 3 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2193677091 and 2193677100.

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, 104275 + ... + 123533.

It is an arithmetic number, because the mean of its divisors is an integer number (58989528).

Almost surely, 2^2193677136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193677136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3539371680).

2193677136 is an abundant number, since it is smaller than the sum of its proper divisors (4885066224).

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

2193677136 is a wasteful number, since it uses less digits than its factorization.

2193677136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393 (or 19384 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 2193677136 is about 46836.7071430091. The cubic root of 2193677136 is about 1299.3442720638.

The spelling of 2193677136 in words is "two billion, one hundred ninety-three million, six hundred seventy-seven thousand, one hundred thirty-six".