18070775203 has 16 divisors (see below), whose sum is σ = 19725996640. Its totient is φ = 16454969856.

The previous prime is 18070775167. The next prime is 18070775273. The reversal of 18070775203 is 30257707081.

It is not a de Polignac number, because 18070775203 - 2²¹ = 18068678051 is a prime.

It is a Duffinian number.

18070775203 is a modest number, since divided by 775203 gives 18070 as remainder.

It is not an unprimeable number, because it can be changed into a prime (18070775273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251851 + ... + 315547.

It is an arithmetic number, because the mean of its divisors is an integer number (1232874790).

Almost surely, 2^18070775203 is an apocalyptic number.

18070775203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18070775203 is a deficient number, since it is larger than the sum of its proper divisors (1655221437).

18070775203 is a wasteful number, since it uses less digits than its factorization.

18070775203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64006.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 18070775203 in words is "eighteen billion, seventy million, seven hundred seventy-five thousand, two hundred three".