163000247645 has 4 divisors (see below), whose sum is σ = 195600297180. Its totient is φ = 130400198112.

The previous prime is 163000247623. The next prime is 163000247651. The reversal of 163000247645 is 546742000361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546742000361 = 733 ⋅745896317.

It can be written as a sum of positive squares in 2 ways, for example, as 33672984004 + 129327263641 = 183502^2 + 359621^2 .

It is a cyclic number.

It is not a de Polignac number, because 163000247645 - 2¹⁰ = 163000246621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163000247599 and 163000247608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16300024760 + ... + 16300024769.

It is an arithmetic number, because the mean of its divisors is an integer number (48900074295).

Almost surely, 2^163000247645 is an apocalyptic number.

It is an amenable number.

163000247645 is a deficient number, since it is larger than the sum of its proper divisors (32600049535).

163000247645 is an equidigital number, since it uses as much as digits as its factorization.

163000247645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32600049534.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 163000247645 in words is "one hundred sixty-three billion, two hundred forty-seven thousand, six hundred forty-five".