506156616664 has 16 divisors (see below), whose sum is σ = 949107281400. Its totient is φ = 253061341632.

The previous prime is 506156616661. The next prime is 506156616697. The reversal of 506156616664 is 466616651605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506156616661) 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, 1993602 + ... + 2233105.

Almost surely, 2^506156616664 is an apocalyptic number.

It is an amenable number.

506156616664 is a deficient number, since it is larger than the sum of its proper divisors (442950664736).

506156616664 is a wasteful number, since it uses less digits than its factorization.

506156616664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241682 (or 4241678 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 506156616664 in words is "five hundred six billion, one hundred fifty-six million, six hundred sixteen thousand, six hundred sixty-four".