16156156241 has 4 divisors (see below), whose sum is σ = 16168671984. Its totient is φ = 16143640500.

The previous prime is 16156156223. The next prime is 16156156259. The reversal of 16156156241 is 14265165161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16156156223) and next prime (16156156259).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16156156241 is a prime.

It is a super-2 number, since 2×16156156241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16156156195 and 16156156204.

It is not an unprimeable number, because it can be changed into a prime (16156156201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255935 + ... + 6258516.

It is an arithmetic number, because the mean of its divisors is an integer number (4042167996).

Almost surely, 2^16156156241 is an apocalyptic number.

It is an amenable number.

16156156241 is a deficient number, since it is larger than the sum of its proper divisors (12515743).

16156156241 is a wasteful number, since it uses less digits than its factorization.

16156156241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515742.

The product of its digits is 43200, while the sum is 38.

The spelling of 16156156241 in words is "sixteen billion, one hundred fifty-six million, one hundred fifty-six thousand, two hundred forty-one".