2061695610 has 96 divisors (see below), whose sum is σ = 5959070208. Its totient is φ = 491114880.

The previous prime is 2061695599. The next prime is 2061695639. The reversal of 2061695610 is 165961602.

2061695610 is a `hidden beast` number, since 20 + 6 + 16 + 9 + 5 + 610 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7849 + ... + 64691.

It is an arithmetic number, because the mean of its divisors is an integer number (62073648).

Almost surely, 2^2061695610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061695610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979535104).

2061695610 is an abundant number, since it is smaller than the sum of its proper divisors (3897374598).

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

2061695610 is a wasteful number, since it uses less digits than its factorization.

2061695610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56900 (or 56897 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2061695610 is about 45405.8984053834. The cubic root of 2061695610 is about 1272.7453394019.

The spelling of 2061695610 in words is "two billion, sixty-one million, six hundred ninety-five thousand, six hundred ten".