168015155 has 48 divisors (see below), whose sum is σ = 256509120. Its totient is φ = 103403520.

The previous prime is 168015149. The next prime is 168015203. The reversal of 168015155 is 551510861.

It is not a de Polignac number, because 168015155 - 2⁴ = 168015139 is a prime.

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 in 47 ways as a sum of consecutive naturals, for example, 410591 + ... + 410999.

It is an arithmetic number, because the mean of its divisors is an integer number (5343940).

Almost surely, 2^168015155 is an apocalyptic number.

168015155 is a deficient number, since it is larger than the sum of its proper divisors (88493965).

168015155 is a wasteful number, since it uses less digits than its factorization.

168015155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 32.

The square root of 168015155 is about 12962.0660004492. The cubic root of 168015155 is about 551.8014266408.

The spelling of 168015155 in words is "one hundred sixty-eight million, fifteen thousand, one hundred fifty-five".