2006155473 has 64 divisors (see below), whose sum is σ = 3308912640. Its totient is φ = 1056382272.

The previous prime is 2006155441. The next prime is 2006155477. The reversal of 2006155473 is 3745516002.

It is not a de Polignac number, because 2006155473 - 2⁵ = 2006155441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2006155477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1520308 + ... + 1521626.

It is an arithmetic number, because the mean of its divisors is an integer number (51701760).

Almost surely, 2^2006155473 is an apocalyptic number.

2006155473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2006155473 is a deficient number, since it is larger than the sum of its proper divisors (1302757167).

2006155473 is a wasteful number, since it uses less digits than its factorization.

2006155473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2006155473 is about 44790.1269589627. The cubic root of 2006155473 is about 1261.2122944301.

The spelling of 2006155473 in words is "two billion, six million, one hundred fifty-five thousand, four hundred seventy-three".