5650251666 has 16 divisors (see below), whose sum is σ = 11513721024. Its totient is φ = 1847880944.

The previous prime is 5650251661. The next prime is 5650251671. The reversal of 5650251666 is 6661520565.

It is an interprime number because it is at equal distance from previous prime (5650251661) and next prime (5650251671).

It is not an unprimeable number, because it can be changed into a prime (5650251661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8883726 + ... + 8884361.

It is an arithmetic number, because the mean of its divisors is an integer number (719607564).

Almost surely, 2^5650251666 is an apocalyptic number.

5650251666 is an abundant number, since it is smaller than the sum of its proper divisors (5863469358).

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

5650251666 is a wasteful number, since it uses less digits than its factorization.

5650251666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768145.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 5650251666 is about 75168.1559305535. The cubic root of 5650251666 is about 1781.1039385706.

The spelling of 5650251666 in words is "five billion, six hundred fifty million, two hundred fifty-one thousand, six hundred sixty-six".