163516416 has 104 divisors (see below), whose sum is σ = 498537024. Its totient is φ = 46694400.

The previous prime is 163516399. The next prime is 163516433. The reversal of 163516416 is 614615361.

It is an interprime number because it is at equal distance from previous prime (163516399) and next prime (163516433).

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, 85066 + ... + 86966.

Almost surely, 2^163516416 is an apocalyptic number.

163516416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163516416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249268512).

163516416 is an abundant number, since it is smaller than the sum of its proper divisors (335020608).

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

163516416 is an equidigital number, since it uses as much as digits as its factorization.

163516416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1913 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 163516416 is about 12787.3537528294. The cubic root of 163516416 is about 546.8318305886.

The spelling of 163516416 in words is "one hundred sixty-three million, five hundred sixteen thousand, four hundred sixteen".