2006243156 has 24 divisors (see below), whose sum is σ = 3631793760. Its totient is φ = 968978592.

The previous prime is 2006243137. The next prime is 2006243189. The reversal of 2006243156 is 6513426002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28190 + ... + 69333.

It is an arithmetic number, because the mean of its divisors is an integer number (151324740).

Almost surely, 2^2006243156 is an apocalyptic number.

It is an amenable number.

2006243156 is a deficient number, since it is larger than the sum of its proper divisors (1625550604).

2006243156 is a wasteful number, since it uses less digits than its factorization.

2006243156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97703 (or 97701 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2006243156 is about 44791.1057688912. The cubic root of 2006243156 is about 1261.2306687566.

Adding to 2006243156 its reverse (6513426002), we get a palindrome (8519669158).

The spelling of 2006243156 in words is "two billion, six million, two hundred forty-three thousand, one hundred fifty-six".