2147666802 has 32 divisors (see below), whose sum is σ = 4342695552. Its totient is φ = 708013824.

The previous prime is 2147666783. The next prime is 2147666827. The reversal of 2147666802 is 2086667412.

It is a super-2 number, since 2×2147666802² = 9224945384825814408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602008 + ... + 605564.

It is an arithmetic number, because the mean of its divisors is an integer number (135709236).

Almost surely, 2^2147666802 is an apocalyptic number.

2147666802 is an abundant number, since it is smaller than the sum of its proper divisors (2195028750).

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

2147666802 is a wasteful number, since it uses less digits than its factorization.

2147666802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2147666802 is about 46342.9261268643. The cubic root of 2147666802 is about 1290.1958322971.

The spelling of 2147666802 in words is "two billion, one hundred forty-seven million, six hundred sixty-six thousand, eight hundred two".