995644159506 has 48 divisors (see below), whose sum is σ = 2163169059480. Its totient is φ = 330967848960.

The previous prime is 995644159487. The next prime is 995644159511. The reversal of 995644159506 is 605951446599.

995644159506 is a `hidden beast` number, since 9 + 9 + 564 + 4 + 15 + 9 + 50 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 612595809225 + 383048350281 = 782685^2 + 618909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55117716 + ... + 55135776.

Almost surely, 2^995644159506 is an apocalyptic number.

995644159506 is an abundant number, since it is smaller than the sum of its proper divisors (1167524899974).

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

995644159506 is a wasteful number, since it uses less digits than its factorization.

995644159506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26331 (or 26328 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 995644159506 in words is "nine hundred ninety-five billion, six hundred forty-four million, one hundred fifty-nine thousand, five hundred six".