2661073392 has 80 divisors (see below), whose sum is σ = 6960332288. Its totient is φ = 875992320.

The previous prime is 2661073391. The next prime is 2661073399. The reversal of 2661073392 is 2933701662.

2661073392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2661073392² = 14162623195220771328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2661073392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661073391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3119238 + ... + 3120090.

Almost surely, 2^2661073392 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 2661073392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480166144).

2661073392 is an abundant number, since it is smaller than the sum of its proper divisors (4299258896).

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

2661073392 is a wasteful number, since it uses less digits than its factorization.

2661073392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 2661073392 is about 51585.5928724290. The cubic root of 2661073392 is about 1385.7523300347.

The spelling of 2661073392 in words is "two billion, six hundred sixty-one million, seventy-three thousand, three hundred ninety-two".