148621166 has 4 divisors (see below), whose sum is σ = 222931752. Its totient is φ = 74310582.

The previous prime is 148621159. The next prime is 148621171. The reversal of 148621166 is 661126841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661126841 = 37 ⋅17868293.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37155290 + ... + 37155293.

It is an arithmetic number, because the mean of its divisors is an integer number (55732938).

Almost surely, 2^148621166 is an apocalyptic number.

148621166 is a deficient number, since it is larger than the sum of its proper divisors (74310586).

148621166 is an equidigital number, since it uses as much as digits as its factorization.

148621166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74310585.

The product of its digits is 13824, while the sum is 35.

The square root of 148621166 is about 12191.0280944636. The cubic root of 148621166 is about 529.6962374701.

The spelling of 148621166 in words is "one hundred forty-eight million, six hundred twenty-one thousand, one hundred sixty-six".