2061626364 has 96 divisors (see below), whose sum is σ = 6116633600. Its totient is φ = 588254400.

The previous prime is 2061626339. The next prime is 2061626393. The reversal of 2061626364 is 4636261602.

2061626364 is a `hidden beast` number, since 2 + 0 + 6 + 16 + 2 + 636 + 4 = 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806889 + ... + 809439.

Almost surely, 2^2061626364 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 2061626364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058316800).

2061626364 is an abundant number, since it is smaller than the sum of its proper divisors (4055007236).

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

2061626364 is a wasteful number, since it uses less digits than its factorization.

2061626364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2061626364 is about 45405.1358769027. The cubic root of 2061626364 is about 1272.7310900448.

Adding to 2061626364 its reverse (4636261602), we get a palindrome (6697887966).

The spelling of 2061626364 in words is "two billion, sixty-one million, six hundred twenty-six thousand, three hundred sixty-four".