2177381416 has 16 divisors (see below), whose sum is σ = 4665817440. Its totient is φ = 933163440.

The previous prime is 2177381377. The next prime is 2177381419. The reversal of 2177381416 is 6141837712.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2177381419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440850 + ... + 19440961.

It is an arithmetic number, because the mean of its divisors is an integer number (291613590).

Almost surely, 2^2177381416 is an apocalyptic number.

It is an amenable number.

2177381416 is an abundant number, since it is smaller than the sum of its proper divisors (2488436024).

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

2177381416 is a wasteful number, since it uses less digits than its factorization.

2177381416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38881824 (or 38881820 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 2177381416 is about 46662.4197400863. The cubic root of 2177381416 is about 1296.1188813495.

The spelling of 2177381416 in words is "two billion, one hundred seventy-seven million, three hundred eighty-one thousand, four hundred sixteen".