163003540364026 has 16 divisors (see below), whose sum is σ = 244997820908064. Its totient is φ = 81337631875344.

The previous prime is 163003540364009. The next prime is 163003540364107. The reversal of 163003540364026 is 620463045300361.

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, 2305600 + ... + 18202276.

It is an arithmetic number, because the mean of its divisors is an integer number (15312363806754).

Almost surely, 2^{163003540364026} is an apocalyptic number.

163003540364026 is a deficient number, since it is larger than the sum of its proper divisors (81994280544038).

163003540364026 is a wasteful number, since it uses less digits than its factorization.

163003540364026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15907005.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 163003540364026 its reverse (620463045300361), we get a palindrome (783466585664387).

The spelling of 163003540364026 in words is "one hundred sixty-three trillion, three billion, five hundred forty million, three hundred sixty-four thousand, twenty-six".