16798180 has 72 divisors (see below), whose sum is σ = 41856696. Its totient is φ = 5644800.

The previous prime is 16798157. The next prime is 16798181. The reversal of 16798180 is 8189761.

16798180 = T₇₄ + T₇₅ + ... + T₄₆₅.

It can be written as a sum of positive squares in 4 ways, for example, as 200704 + 16597476 = 448^2 + 4074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798181) 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, 59640 + ... + 59920.

It is an arithmetic number, because the mean of its divisors is an integer number (581343).

Almost surely, 2^16798180 is an apocalyptic number.

16798180 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 16798180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20928348).

16798180 is an abundant number, since it is smaller than the sum of its proper divisors (25058516).

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

16798180 is a wasteful number, since it uses less digits than its factorization.

16798180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 16798180 is about 4098.5582831040. The cubic root of 16798180 is about 256.1065840362.

The spelling of 16798180 in words is "sixteen million, seven hundred ninety-eight thousand, one hundred eighty".