4151689966 has 4 divisors (see below), whose sum is σ = 6227534952. Its totient is φ = 2075844982.

The previous prime is 4151689939. The next prime is 4151690017. The reversal of 4151689966 is 6699861514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6699861514 = 2 ⋅3349930757.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037922490 + ... + 1037922493.

It is an arithmetic number, because the mean of its divisors is an integer number (1556883738).

Almost surely, 2^4151689966 is an apocalyptic number.

4151689966 is a deficient number, since it is larger than the sum of its proper divisors (2075844986).

4151689966 is a wasteful number, since it uses less digits than its factorization.

4151689966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075844985.

The product of its digits is 2799360, while the sum is 55.

The square root of 4151689966 is about 64433.6089785447. The cubic root of 4151689966 is about 1607.2186803359.

The spelling of 4151689966 in words is "four billion, one hundred fifty-one million, six hundred eighty-nine thousand, nine hundred sixty-six".