2100756066 has 32 divisors (see below), whose sum is σ = 4238740800. Its totient is φ = 694067904.

The previous prime is 2100756043. The next prime is 2100756101. The reversal of 2100756066 is 6606570012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465316 + ... + 469808.

It is an arithmetic number, because the mean of its divisors is an integer number (132460650).

Almost surely, 2^2100756066 is an apocalyptic number.

2100756066 is an abundant number, since it is smaller than the sum of its proper divisors (2137984734).

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

2100756066 is a wasteful number, since it uses less digits than its factorization.

2100756066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2100756066 is about 45834.0055635551. The cubic root of 2100756066 is about 1280.7328294630.

The spelling of 2100756066 in words is "two billion, one hundred million, seven hundred fifty-six thousand, sixty-six".