2106562888 has 16 divisors (see below), whose sum is σ = 4182147180. Its totient is φ = 991323648.

The previous prime is 2106562867. The next prime is 2106562891. The reversal of 2106562888 is 8882656012.

It can be written as a sum of positive squares in 2 ways, for example, as 2055896964 + 50665924 = 45342^2 + 7118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7744581 + ... + 7744852.

Almost surely, 2^2106562888 is an apocalyptic number.

It is an amenable number.

2106562888 is a deficient number, since it is larger than the sum of its proper divisors (2075584292).

2106562888 is a wasteful number, since it uses less digits than its factorization.

2106562888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489456 (or 15489452 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 2106562888 is about 45897.3080692103. The cubic root of 2106562888 is about 1281.9117932112.

The spelling of 2106562888 in words is "two billion, one hundred six million, five hundred sixty-two thousand, eight hundred eighty-eight".