2106051986 has 8 divisors (see below), whose sum is σ = 3159395184. Its totient is φ = 1052920260.

The previous prime is 2106051977. The next prime is 2106051989. The reversal of 2106051986 is 6891506012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2106051989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25040 + ... + 69563.

It is an arithmetic number, because the mean of its divisors is an integer number (394924398).

Almost surely, 2^2106051986 is an apocalyptic number.

2106051986 is a deficient number, since it is larger than the sum of its proper divisors (1053343198).

2106051986 is a wasteful number, since it uses less digits than its factorization.

2106051986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105736.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2106051986 is about 45891.7420240287. The cubic root of 2106051986 is about 1281.8081513568.

Adding to 2106051986 its reverse (6891506012), we get a palindrome (8997557998).

The spelling of 2106051986 in words is "two billion, one hundred six million, fifty-one thousand, nine hundred eighty-six".