516156161611 has 4 divisors (see below), whose sum is σ = 543322275400. Its totient is φ = 488990047824.

The previous prime is 516156161597. The next prime is 516156161617. The reversal of 516156161611 is 116161651615.

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 516156161611 - 2¹⁵ = 516156128843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516156161617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13583056866 + ... + 13583056903.

It is an arithmetic number, because the mean of its divisors is an integer number (135830568850).

Almost surely, 2^516156161611 is an apocalyptic number.

516156161611 is a deficient number, since it is larger than the sum of its proper divisors (27166113789).

516156161611 is a wasteful number, since it uses less digits than its factorization.

516156161611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27166113788.

The product of its digits is 32400, while the sum is 40.

The spelling of 516156161611 in words is "five hundred sixteen billion, one hundred fifty-six million, one hundred sixty-one thousand, six hundred eleven".