155551415167 has 2 divisors, whose sum is σ = 155551415168. Its totient is φ = 155551415166.

The previous prime is 155551415111. The next prime is 155551415203. The reversal of 155551415167 is 761514155551.

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-155551415167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155551418167) 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 as a sum of consecutive naturals, namely, 77775707583 + 77775707584.

It is an arithmetic number, because the mean of its divisors is an integer number (77775707584).

Almost surely, 2^155551415167 is an apocalyptic number.

155551415167 is a deficient number, since it is larger than the sum of its proper divisors (1).

155551415167 is an equidigital number, since it uses as much as digits as its factorization.

155551415167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525000, while the sum is 46.

The spelling of 155551415167 in words is "one hundred fifty-five billion, five hundred fifty-one million, four hundred fifteen thousand, one hundred sixty-seven".