2006157603 has 8 divisors (see below), whose sum is σ = 2711519248. Its totient is φ = 1319117184.

The previous prime is 2006157583. The next prime is 2006157623. The reversal of 2006157603 is 3067516002.

2006157603 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2006157583) and next prime (2006157623).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2006157603 - 2¹² = 2006153507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006157623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580050 + ... + 4580487.

It is an arithmetic number, because the mean of its divisors is an integer number (338939906).

Almost surely, 2^2006157603 is an apocalyptic number.

2006157603 is a deficient number, since it is larger than the sum of its proper divisors (705361645).

2006157603 is an equidigital number, since it uses as much as digits as its factorization.

2006157603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160613.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2006157603 is about 44790.1507365180. The cubic root of 2006157603 is about 1261.2127407866.

The spelling of 2006157603 in words is "two billion, six million, one hundred fifty-seven thousand, six hundred three".