16730550 has 120 divisors (see below), whose sum is σ = 49423176. Its totient is φ = 4199040.

The previous prime is 16730509. The next prime is 16730587. The reversal of 16730550 is 5503761.

It is a super-2 number, since 2×16730550² = 559822606605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 984142 + ... + 984158.

Almost surely, 2^16730550 is an apocalyptic number.

16730550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16730550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24711588).

16730550 is an abundant number, since it is smaller than the sum of its proper divisors (32692626).

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

16730550 is an frugal number, since it uses more digits than its factorization.

16730550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 16730550 is about 4090.2995000366. The cubic root of 16730550 is about 255.7624240402.

The spelling of 16730550 in words is "sixteen million, seven hundred thirty thousand, five hundred fifty".