16426530 has 64 divisors (see below), whose sum is σ = 44392320. Its totient is φ = 4321728.

The previous prime is 16426517. The next prime is 16426567. The reversal of 16426530 is 3562461.

16426530 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 653 + 0 = 666.

16426530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16426494 and 16426503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22044 + ... + 22776.

It is an arithmetic number, because the mean of its divisors is an integer number (693630).

Almost surely, 2^16426530 is an apocalyptic number.

16426530 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 16426530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22196160).

16426530 is an abundant number, since it is smaller than the sum of its proper divisors (27965790).

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

16426530 is a wasteful number, since it uses less digits than its factorization.

16426530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16426530 is about 4052.9655809049. The cubic root of 16426530 is about 254.2037445983.

Adding to 16426530 its reverse (3562461), we get a palindrome (19988991).

The spelling of 16426530 in words is "sixteen million, four hundred twenty-six thousand, five hundred thirty".