2076571638 has 48 divisors (see below), whose sum is σ = 4586946000. Its totient is φ = 678767040.

The previous prime is 2076571633. The next prime is 2076571663. The reversal of 2076571638 is 8361756702.

2076571638 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 5 + 7 + 1 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2076571593 and 2076571602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076571633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380493 + ... + 385911.

It is an arithmetic number, because the mean of its divisors is an integer number (95561375).

Almost surely, 2^2076571638 is an apocalyptic number.

2076571638 is an abundant number, since it is smaller than the sum of its proper divisors (2510374362).

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

2076571638 is a wasteful number, since it uses less digits than its factorization.

2076571638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2076571638 is about 45569.4155986227. The cubic root of 2076571638 is about 1275.7991428389.

The spelling of 2076571638 in words is "two billion, seventy-six million, five hundred seventy-one thousand, six hundred thirty-eight".