163000516534400 has 48 divisors (see below), whose sum is σ = 402662213509290. Its totient is φ = 65200206612480.

The previous prime is 163000516534367. The next prime is 163000516534433. The reversal of 163000516534400 is 4435615000361.

It is an interprime number because it is at equal distance from previous prime (163000516534367) and next prime (163000516534433).

It can be written as a sum of positive squares in 3 ways, for example, as 74979943537216 + 88020572997184 = 8659096^2 + 9381928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25468827509 + ... + 25468833908.

Almost surely, 2^{163000516534400} is an apocalyptic number.

163000516534400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163000516534400 is an abundant number, since it is smaller than the sum of its proper divisors (239661696974890).

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

163000516534400 is an equidigital number, since it uses as much as digits as its factorization.

163000516534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50937661441 (or 50937661424 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 163000516534400 in words is "one hundred sixty-three trillion, five hundred sixteen million, five hundred thirty-four thousand, four hundred".