2661050838 has 32 divisors (see below), whose sum is σ = 5425159680. Its totient is φ = 870005600.

The previous prime is 2661050813. The next prime is 2661050867. The reversal of 2661050838 is 8380501662.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2661050796 and 2661050805.

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, 44323 + ... + 85361.

It is an arithmetic number, because the mean of its divisors is an integer number (169536240).

Almost surely, 2^2661050838 is an apocalyptic number.

2661050838 is an abundant number, since it is smaller than the sum of its proper divisors (2764108842).

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

2661050838 is a wasteful number, since it uses less digits than its factorization.

2661050838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41252.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2661050838 is about 51585.3742644172. The cubic root of 2661050838 is about 1385.7484150297.

The spelling of 2661050838 in words is "two billion, six hundred sixty-one million, fifty thousand, eight hundred thirty-eight".