2106001756 has 24 divisors (see below), whose sum is σ = 3771290880. Its totient is φ = 1028578032.

The previous prime is 2106001741. The next prime is 2106001801. The reversal of 2106001756 is 6571006012.

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, 87615 + ... + 109033.

It is an arithmetic number, because the mean of its divisors is an integer number (157137120).

Almost surely, 2^2106001756 is an apocalyptic number.

It is an amenable number.

2106001756 is a deficient number, since it is larger than the sum of its proper divisors (1665289124).

2106001756 is a wasteful number, since it uses less digits than its factorization.

2106001756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2106001756 is about 45891.1947545496. The cubic root of 2106001756 is about 1281.7979607670.

Adding to 2106001756 its reverse (6571006012), we get a palindrome (8677007768).

The spelling of 2106001756 in words is "two billion, one hundred six million, one thousand, seven hundred fifty-six".