163212402616505 has 8 divisors (see below), whose sum is σ = 213659872516224. Its totient is φ = 118699929175600.

The previous prime is 163212402616499. The next prime is 163212402616511. The reversal of 163212402616505 is 505616204212361.

163212402616505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163212402616499) and next prime (163212402616511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163212402616505 - 2¹² = 163212402612409 is a prime.

It is a Duffinian number.

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, 1483749114641 + ... + 1483749114750.

It is an arithmetic number, because the mean of its divisors is an integer number (26707484064528).

Almost surely, 2^{163212402616505} is an apocalyptic number.

It is an amenable number.

163212402616505 is a deficient number, since it is larger than the sum of its proper divisors (50447469899719).

163212402616505 is a wasteful number, since it uses less digits than its factorization.

163212402616505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967498229407.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 163212402616505 its reverse (505616204212361), we get a palindrome (668828606828866).

The spelling of 163212402616505 in words is "one hundred sixty-three trillion, two hundred twelve billion, four hundred two million, six hundred sixteen thousand, five hundred five".