164537148141491 has 2 divisors, whose sum is σ = 164537148141492. Its totient is φ = 164537148141490.

The previous prime is 164537148141419. The next prime is 164537148141523. The reversal of 164537148141491 is 194141841735461.

164537148141491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (164537148141419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164537148141491 - 2⁴⁶ = 94168403963827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164537148141491.

It is not a weakly prime, because it can be changed into another prime (164537148171491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82268574070745 + 82268574070746.

It is an arithmetic number, because the mean of its divisors is an integer number (82268574070746).

Almost surely, 2^{164537148141491} is an apocalyptic number.

164537148141491 is a deficient number, since it is larger than the sum of its proper divisors (1).

164537148141491 is an equidigital number, since it uses as much as digits as its factorization.

164537148141491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The spelling of 164537148141491 in words is "one hundred sixty-four trillion, five hundred thirty-seven billion, one hundred forty-eight million, one hundred forty-one thousand, four hundred ninety-one".