155055165603167 has 2 divisors, whose sum is σ = 155055165603168. Its totient is φ = 155055165603166.

The previous prime is 155055165603139. The next prime is 155055165603251. The reversal of 155055165603167 is 761306561550551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155055165603167 - 2²² = 155055161408863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155055165603367) 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, 77527582801583 + 77527582801584.

It is an arithmetic number, because the mean of its divisors is an integer number (77527582801584).

Almost surely, 2^{155055165603167} is an apocalyptic number.

155055165603167 is a deficient number, since it is larger than the sum of its proper divisors (1).

155055165603167 is an equidigital number, since it uses as much as digits as its factorization.

155055165603167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14175000, while the sum is 56.

The spelling of 155055165603167 in words is "one hundred fifty-five trillion, fifty-five billion, one hundred sixty-five million, six hundred three thousand, one hundred sixty-seven".