4999942166 has 4 divisors (see below), whose sum is σ = 7499913252. Its totient is φ = 2499971082.

The previous prime is 4999942151. The next prime is 4999942183. The reversal of 4999942166 is 6612499994.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

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, 1249985540 + ... + 1249985543.

It is an arithmetic number, because the mean of its divisors is an integer number (1874978313).

Almost surely, 2^4999942166 is an apocalyptic number.

4999942166 is a deficient number, since it is larger than the sum of its proper divisors (2499971086).

4999942166 is a wasteful number, since it uses less digits than its factorization.

4999942166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499971085.

The product of its digits is 7558272, while the sum is 59.

The square root of 4999942166 is about 70710.2691693364. The cubic root of 4999942166 is about 1709.9693536680.

The spelling of 4999942166 in words is "four billion, nine hundred ninety-nine million, nine hundred forty-two thousand, one hundred sixty-six".