148687166 has 4 divisors (see below), whose sum is σ = 223030752. Its totient is φ = 74343582.

The previous prime is 148687159. The next prime is 148687171. The reversal of 148687166 is 661786841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661786841 = 3967 ⋅166823.

It is a super-2 number, since 2×148687166² = 44215746666223112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148687166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37171790 + ... + 37171793.

It is an arithmetic number, because the mean of its divisors is an integer number (55757688).

Almost surely, 2^148687166 is an apocalyptic number.

148687166 is a deficient number, since it is larger than the sum of its proper divisors (74343586).

148687166 is an equidigital number, since it uses as much as digits as its factorization.

148687166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74343585.

The product of its digits is 387072, while the sum is 47.

The square root of 148687166 is about 12193.7347027070. The cubic root of 148687166 is about 529.7746354060.

The spelling of 148687166 in words is "one hundred forty-eight million, six hundred eighty-seven thousand, one hundred sixty-six".