163506533362416 has 120 divisors (see below), whose sum is σ = 457885042767360. Its totient is φ = 54467190288000.

The previous prime is 163506533362411. The next prime is 163506533362421. The reversal of 163506533362416 is 614263335605361.

163506533362416 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 0 + 6 + 5 + 3 + 3 + 3 + 624 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (163506533362411) and next prime (163506533362421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163506533362411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1511390215 + ... + 1511498393.

It is an arithmetic number, because the mean of its divisors is an integer number (3815708689728).

Almost surely, 2^{163506533362416} is an apocalyptic number.

163506533362416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163506533362416 is an abundant number, since it is smaller than the sum of its proper divisors (294378509404944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163506533362416 is a wasteful number, since it uses less digits than its factorization.

163506533362416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114835 (or 114826 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 54.

Adding to 163506533362416 its reverse (614263335605361), we get a palindrome (777769868967777).

The spelling of 163506533362416 in words is "one hundred sixty-three trillion, five hundred six billion, five hundred thirty-three million, three hundred sixty-two thousand, four hundred sixteen".