2050351666 has 16 divisors (see below), whose sum is σ = 3356142048. Its totient is φ = 931694400.

The previous prime is 2050351661. The next prime is 2050351669. The reversal of 2050351666 is 6661530502.

It is not an unprimeable number, because it can be changed into a prime (2050351661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71161 + ... + 95731.

It is an arithmetic number, because the mean of its divisors is an integer number (209758878).

Almost surely, 2^2050351666 is an apocalyptic number.

2050351666 is a deficient number, since it is larger than the sum of its proper divisors (1305790382).

2050351666 is a wasteful number, since it uses less digits than its factorization.

2050351666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28377.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2050351666 is about 45280.8090254580. The cubic root of 2050351666 is about 1270.4067281817.

The spelling of 2050351666 in words is "two billion, fifty million, three hundred fifty-one thousand, six hundred sixty-six".