168028695 has 32 divisors (see below), whose sum is σ = 300312000. Its totient is φ = 89137152.

The previous prime is 168028691. The next prime is 168028717. The reversal of 168028695 is 596820861.

It is not a de Polignac number, because 168028695 - 2² = 168028691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 168028695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168028691) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22831 + ... + 29279.

It is an arithmetic number, because the mean of its divisors is an integer number (9384750).

Almost surely, 2^168028695 is an apocalyptic number.

168028695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168028695 is a deficient number, since it is larger than the sum of its proper divisors (132283305).

168028695 is a wasteful number, since it uses less digits than its factorization.

168028695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 6650 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 168028695 is about 12962.5882832095. The cubic root of 168028695 is about 551.8162490946.

The spelling of 168028695 in words is "one hundred sixty-eight million, twenty-eight thousand, six hundred ninety-five".