516450221533604 has 24 divisors (see below), whose sum is σ = 909096975329088. Its totient is φ = 256708507335840.

The previous prime is 516450221533559. The next prime is 516450221533619. The reversal of 516450221533604 is 406335122054615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27426722 + ... + 42250745.

It is an arithmetic number, because the mean of its divisors is an integer number (37879040638712).

Almost surely, 2^{516450221533604} is an apocalyptic number.

It is an amenable number.

516450221533604 is a deficient number, since it is larger than the sum of its proper divisors (392646753795484).

516450221533604 is a wasteful number, since it uses less digits than its factorization.

516450221533604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69688355 (or 69688353 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 516450221533604 in words is "five hundred sixteen trillion, four hundred fifty billion, two hundred twenty-one million, five hundred thirty-three thousand, six hundred four".