163323420532625 has 16 divisors (see below), whose sum is σ = 204101959531392. Its totient is φ = 130482883409200.

The previous prime is 163323420532577. The next prime is 163323420532637. The reversal of 163323420532625 is 526235024323361.

It is not a de Polignac number, because 163323420532625 - 2⁶ = 163323420532561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163323420532625.

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, 879171839 + ... + 879357588.

It is an arithmetic number, because the mean of its divisors is an integer number (12756372470712).

Almost surely, 2^{163323420532625} is an apocalyptic number.

It is an amenable number.

163323420532625 is a deficient number, since it is larger than the sum of its proper divisors (40778538998767).

163323420532625 is an equidigital number, since it uses as much as digits as its factorization.

163323420532625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758530185 (or 1758530175 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

Adding to 163323420532625 its reverse (526235024323361), we get a palindrome (689558444855986).

The spelling of 163323420532625 in words is "one hundred sixty-three trillion, three hundred twenty-three billion, four hundred twenty million, five hundred thirty-two thousand, six hundred twenty-five".