2061086456 has 64 divisors (see below), whose sum is σ = 4548096000. Its totient is φ = 863280000.

The previous prime is 2061086437. The next prime is 2061086501. The reversal of 2061086456 is 6546801602.

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, 857945 + ... + 860343.

It is an arithmetic number, because the mean of its divisors is an integer number (71064000).

Almost surely, 2^2061086456 is an apocalyptic number.

2061086456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061086456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274048000).

2061086456 is an abundant number, since it is smaller than the sum of its proper divisors (2487009544).

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

2061086456 is a wasteful number, since it uses less digits than its factorization.

2061086456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2061086456 is about 45399.1900368277. The cubic root of 2061086456 is about 1272.6199774942.

The spelling of 2061086456 in words is "two billion, sixty-one million, eighty-six thousand, four hundred fifty-six".