163273700 has 36 divisors (see below), whose sum is σ = 357464100. Its totient is φ = 64727040.

The previous prime is 163273697. The next prime is 163273739. The reversal of 163273700 is 7372361.

It can be written as a sum of positive squares in 6 ways, for example, as 2896804 + 160376896 = 1702^2 + 12664^2 .

It is a super-2 number, since 2×163273700² = 53316602223380000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4076 + ... + 18524.

Almost surely, 2^163273700 is an apocalyptic number.

163273700 is a gapful number since it is divisible by the number (10) 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 163273700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178732050).

163273700 is an abundant number, since it is smaller than the sum of its proper divisors (194190400).

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

163273700 is a wasteful number, since it uses less digits than its factorization.

163273700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 163273700 is about 12777.8597581911. The cubic root of 163273700 is about 546.5611328768.

The spelling of 163273700 in words is "one hundred sixty-three million, two hundred seventy-three thousand, seven hundred".