163272603 has 16 divisors (see below), whose sum is σ = 237658400. Its totient is φ = 99097344.

The previous prime is 163272589. The next prime is 163272617. The reversal of 163272603 is 306272361.

It is an interprime number because it is at equal distance from previous prime (163272589) and next prime (163272617).

It is not a de Polignac number, because 163272603 - 2⁴ = 163272587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163272673) 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, 25828 + ... + 31521.

It is an arithmetic number, because the mean of its divisors is an integer number (14853650).

Almost surely, 2^163272603 is an apocalyptic number.

163272603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163272603 is a deficient number, since it is larger than the sum of its proper divisors (74385797).

163272603 is a wasteful number, since it uses less digits than its factorization.

163272603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57438.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 163272603 is about 12777.8168323075. The cubic root of 163272603 is about 546.5599087994.

The spelling of 163272603 in words is "one hundred sixty-three million, two hundred seventy-two thousand, six hundred three".