2061387036 has 96 divisors (see below), whose sum is σ = 5550182400. Its totient is φ = 660934080.

The previous prime is 2061387023. The next prime is 2061387043. The reversal of 2061387036 is 6307831602.

It is a happy number.

2061387036 is a `hidden beast` number, since 2 + 0 + 613 + 8 + 7 + 0 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577425 + ... + 580983.

It is an arithmetic number, because the mean of its divisors is an integer number (57814400).

Almost surely, 2^2061387036 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 2061387036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775091200).

2061387036 is an abundant number, since it is smaller than the sum of its proper divisors (3488795364).

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

2061387036 is a wasteful number, since it uses less digits than its factorization.

2061387036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2061387036 is about 45402.5003276251. The cubic root of 2061387036 is about 1272.6818389650.

The spelling of 2061387036 in words is "two billion, sixty-one million, three hundred eighty-seven thousand, thirty-six".