516421003159 has 4 divisors (see below), whose sum is σ = 516576601840. Its totient is φ = 516265404480.

The previous prime is 516421003127. The next prime is 516421003169. The reversal of 516421003159 is 951300124615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516421003159 - 2⁵ = 516421003127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516421003169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77794362 + ... + 77800999.

It is an arithmetic number, because the mean of its divisors is an integer number (129144150460).

Almost surely, 2^516421003159 is an apocalyptic number.

516421003159 is a deficient number, since it is larger than the sum of its proper divisors (155598681).

516421003159 is a wasteful number, since it uses less digits than its factorization.

516421003159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155598680.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 516421003159 in words is "five hundred sixteen billion, four hundred twenty-one million, three thousand, one hundred fifty-nine".