165187948 has 6 divisors (see below), whose sum is σ = 289078916. Its totient is φ = 82593972.

The previous prime is 165187937. The next prime is 165188029. The reversal of 165187948 is 849781561.

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, 20648490 + ... + 20648497.

Almost surely, 2^165187948 is an apocalyptic number.

It is an amenable number.

165187948 is a deficient number, since it is larger than the sum of its proper divisors (123890968).

165187948 is a wasteful number, since it uses less digits than its factorization.

165187948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41296991 (or 41296989 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 165187948 is about 12852.5463624918. The cubic root of 165187948 is about 548.6888304473.

The spelling of 165187948 in words is "one hundred sixty-five million, one hundred eighty-seven thousand, nine hundred forty-eight".