163242213545 has 16 divisors (see below), whose sum is σ = 200063183040. Its totient is φ = 127823851584.

The previous prime is 163242213539. The next prime is 163242213551. The reversal of 163242213545 is 545312242361.

It is an interprime number because it is at equal distance from previous prime (163242213539) and next prime (163242213551).

It is a cyclic number.

It is not a de Polignac number, because 163242213545 - 2⁸ = 163242213289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163242213499 and 163242213508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624059 + ... + 846128.

It is an arithmetic number, because the mean of its divisors is an integer number (12503948940).

Almost surely, 2^163242213545 is an apocalyptic number.

It is an amenable number.

163242213545 is a deficient number, since it is larger than the sum of its proper divisors (36820969495).

163242213545 is a wasteful number, since it uses less digits than its factorization.

163242213545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470664.

The product of its digits is 172800, while the sum is 38.

The spelling of 163242213545 in words is "one hundred sixty-three billion, two hundred forty-two million, two hundred thirteen thousand, five hundred forty-five".