810168148 has 6 divisors (see below), whose sum is σ = 1417794266. Its totient is φ = 405084072.

The previous prime is 810168137. The next prime is 810168173. The reversal of 810168148 is 841861018.

It can be written as a sum of positive squares in only one way, i.e., 708198544 + 101969604 = 26612^2 + 10098^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101271015 + ... + 101271022.

Almost surely, 2^810168148 is an apocalyptic number.

It is an amenable number.

810168148 is a deficient number, since it is larger than the sum of its proper divisors (607626118).

810168148 is a wasteful number, since it uses less digits than its factorization.

810168148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202542041 (or 202542039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 810168148 is about 28463.4528474674. The cubic root of 810168148 is about 932.2342504012.

The spelling of 810168148 in words is "eight hundred ten million, one hundred sixty-eight thousand, one hundred forty-eight".