182121518357 has 2 divisors, whose sum is σ = 182121518358. Its totient is φ = 182121518356.

The previous prime is 182121518231. The next prime is 182121518377. The reversal of 182121518357 is 753815121281.

182121518357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163676075761 + 18445442596 = 404569^2 + 135814^2 .

It is a cyclic number.

It is not a de Polignac number, because 182121518357 - 2²⁴ = 182104741141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182121518377) 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, 91060759178 + 91060759179.

It is an arithmetic number, because the mean of its divisors is an integer number (91060759179).

Almost surely, 2^182121518357 is an apocalyptic number.

It is an amenable number.

182121518357 is a deficient number, since it is larger than the sum of its proper divisors (1).

182121518357 is an equidigital number, since it uses as much as digits as its factorization.

182121518357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 44.

The spelling of 182121518357 in words is "one hundred eighty-two billion, one hundred twenty-one million, five hundred eighteen thousand, three hundred fifty-seven".