16155165427 has 2 divisors, whose sum is σ = 16155165428. Its totient is φ = 16155165426.

The previous prime is 16155165379. The next prime is 16155165437. The reversal of 16155165427 is 72456155161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16155165427 is a prime.

It is not a weakly prime, because it can be changed into another prime (16155165437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077582713 + 8077582714.

It is an arithmetic number, because the mean of its divisors is an integer number (8077582714).

Almost surely, 2^16155165427 is an apocalyptic number.

16155165427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155165427 is an equidigital number, since it uses as much as digits as its factorization.

16155165427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 43.

The spelling of 16155165427 in words is "sixteen billion, one hundred fifty-five million, one hundred sixty-five thousand, four hundred twenty-seven".