155655166157 has 2 divisors, whose sum is σ = 155655166158. Its totient is φ = 155655166156.

The previous prime is 155655166141. The next prime is 155655166181. The reversal of 155655166157 is 751661556551.

155655166157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148960490116 + 6694676041 = 385954^2 + 81821^2 .

It is a cyclic number.

It is not a de Polignac number, because 155655166157 - 2⁴ = 155655166141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155655166099 and 155655166108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155655166127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77827583078 + 77827583079.

It is an arithmetic number, because the mean of its divisors is an integer number (77827583079).

Almost surely, 2^155655166157 is an apocalyptic number.

It is an amenable number.

155655166157 is a deficient number, since it is larger than the sum of its proper divisors (1).

155655166157 is an equidigital number, since it uses as much as digits as its factorization.

155655166157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4725000, while the sum is 53.

The spelling of 155655166157 in words is "one hundred fifty-five billion, six hundred fifty-five million, one hundred sixty-six thousand, one hundred fifty-seven".