156500106506 has 16 divisors (see below), whose sum is σ = 248573054664. Its totient is φ = 73642942464.

The previous prime is 156500106491. The next prime is 156500106517. The reversal of 156500106506 is 605601005651.

It can be written as a sum of positive squares in 4 ways, for example, as 115753050625 + 40747055881 = 340225^2 + 201859^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527816 + ... + 769148.

Almost surely, 2^156500106506 is an apocalyptic number.

156500106506 is a deficient number, since it is larger than the sum of its proper divisors (92072948158).

156500106506 is a wasteful number, since it uses less digits than its factorization.

156500106506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260425.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 156500106506 in words is "one hundred fifty-six billion, five hundred million, one hundred six thousand, five hundred six".