2106599374 has 16 divisors (see below), whose sum is σ = 3512205360. Its totient is φ = 939477760.

The previous prime is 2106599351. The next prime is 2106599377. The reversal of 2106599374 is 4739956012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106599377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 902179 + ... + 904510.

It is an arithmetic number, because the mean of its divisors is an integer number (219512835).

Almost surely, 2^2106599374 is an apocalyptic number.

2106599374 is a deficient number, since it is larger than the sum of its proper divisors (1405605986).

2106599374 is a wasteful number, since it uses less digits than its factorization.

2106599374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806755.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2106599374 is about 45897.7055417806. The cubic root of 2106599374 is about 1281.9191941397.

The spelling of 2106599374 in words is "two billion, one hundred six million, five hundred ninety-nine thousand, three hundred seventy-four".