500000616651 has 16 divisors (see below), whose sum is σ = 701771040000. Its totient is φ = 315782758368.

The previous prime is 500000616637. The next prime is 500000616667. The reversal of 500000616651 is 156616000005.

It is not a de Polignac number, because 500000616651 - 2¹⁸ = 500000354507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500000616601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3788725 + ... + 3918473.

It is an arithmetic number, because the mean of its divisors is an integer number (43860690000).

Almost surely, 2^500000616651 is an apocalyptic number.

500000616651 is a deficient number, since it is larger than the sum of its proper divisors (201770423349).

500000616651 is a wasteful number, since it uses less digits than its factorization.

500000616651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197378.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 500000616651 its reverse (156616000005), we get a palindrome (656616616656).

The spelling of 500000616651 in words is "five hundred billion, six hundred sixteen thousand, six hundred fifty-one".