156016666051 has 4 divisors (see below), whose sum is σ = 159336169632. Its totient is φ = 152697162472.

The previous prime is 156016666033. The next prime is 156016666109. The reversal of 156016666051 is 150666610651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 156016666051 - 2¹³ = 156016657859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156016665989 and 156016666007.

It is not an unprimeable number, because it can be changed into a prime (156016666151) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1659751720 + ... + 1659751813.

It is an arithmetic number, because the mean of its divisors is an integer number (39834042408).

Almost surely, 2^156016666051 is an apocalyptic number.

156016666051 is a deficient number, since it is larger than the sum of its proper divisors (3319503581).

156016666051 is an equidigital number, since it uses as much as digits as its factorization.

156016666051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319503580.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 156016666051 in words is "one hundred fifty-six billion, sixteen million, six hundred sixty-six thousand, fifty-one".