516003426 has 64 divisors (see below), whose sum is σ = 1169475840. Its totient is φ = 168618240.

The previous prime is 516003421. The next prime is 516003427. The reversal of 516003426 is 624300615.

516003426 is a `hidden beast` number, since 5 + 1 + 600 + 34 + 26 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 516003426.

It is not an unprimeable number, because it can be changed into a prime (516003421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628096 + ... + 628916.

It is an arithmetic number, because the mean of its divisors is an integer number (18273060).

Almost surely, 2^516003426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516003426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584737920).

516003426 is an abundant number, since it is smaller than the sum of its proper divisors (653472414).

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

516003426 is a wasteful number, since it uses less digits than its factorization.

516003426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1042 counting only the distinct ones).

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

The square root of 516003426 is about 22715.7087936960. The cubic root of 516003426 is about 802.0797065492.

The spelling of 516003426 in words is "five hundred sixteen million, three thousand, four hundred twenty-six".