2106715758 has 16 divisors (see below), whose sum is σ = 4815350400. Its totient is φ = 601918776.

The previous prime is 2106715717. The next prime is 2106715771. The reversal of 2106715758 is 8575176012.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 50159899 = 2106715758 / (2 + 1 + 0 + 6 + 7 + 1 + 5 + 7 + 5 + 8).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25079908 + ... + 25079991.

It is an arithmetic number, because the mean of its divisors is an integer number (300959400).

Almost surely, 2^2106715758 is an apocalyptic number.

2106715758 is an abundant number, since it is smaller than the sum of its proper divisors (2708634642).

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

2106715758 is a wasteful number, since it uses less digits than its factorization.

2106715758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50159911.

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 2106715758 is about 45898.9733872120. The cubic root of 2106715758 is about 1281.9428012444.

The spelling of 2106715758 in words is "two billion, one hundred six million, seven hundred fifteen thousand, seven hundred fifty-eight".