5106661506 has 12 divisors (see below), whose sum is σ = 11064433302. Its totient is φ = 1702220496.

The previous prime is 5106661487. The next prime is 5106661529. The reversal of 5106661506 is 6051666015.

It can be written as a sum of positive squares in only one way, i.e., 4197096225 + 909565281 = 64785^2 + 30159^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141851691 + ... + 141851726.

Almost surely, 2^5106661506 is an apocalyptic number.

5106661506 is an abundant number, since it is smaller than the sum of its proper divisors (5957771796).

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

5106661506 is a wasteful number, since it uses less digits than its factorization.

5106661506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283703425 (or 283703422 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5106661506 is about 71460.9089362849. The cubic root of 5106661506 is about 1722.0497361265.

The spelling of 5106661506 in words is "five billion, one hundred six million, six hundred sixty-one thousand, five hundred six".