2051032666 has 8 divisors (see below), whose sum is σ = 3076834464. Its totient is φ = 1025421180.

The previous prime is 2051032663. The next prime is 2051032693. The reversal of 2051032666 is 6662301502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2051032663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16600 + ... + 66163.

It is an arithmetic number, because the mean of its divisors is an integer number (384604308).

Almost surely, 2^2051032666 is an apocalyptic number.

2051032666 is a deficient number, since it is larger than the sum of its proper divisors (1025801798).

2051032666 is a wasteful number, since it uses less digits than its factorization.

2051032666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95156.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2051032666 is about 45288.3281431320. The cubic root of 2051032666 is about 1270.5473627910.

The spelling of 2051032666 in words is "two billion, fifty-one million, thirty-two thousand, six hundred sixty-six".