148001166091 has 2 divisors, whose sum is σ = 148001166092. Its totient is φ = 148001166090.

The previous prime is 148001166077. The next prime is 148001166109. The reversal of 148001166091 is 190661100841.

Together with next prime (148001166109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148001166091 - 2⁵ = 148001166059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148001166091.

It is not a weakly prime, because it can be changed into another prime (148001166011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74000583045 + 74000583046.

It is an arithmetic number, because the mean of its divisors is an integer number (74000583046).

Almost surely, 2^148001166091 is an apocalyptic number.

148001166091 is a deficient number, since it is larger than the sum of its proper divisors (1).

148001166091 is an equidigital number, since it uses as much as digits as its factorization.

148001166091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 148001166091 in words is "one hundred forty-eight billion, one million, one hundred sixty-six thousand, ninety-one".