163085535 has 32 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 85125024.

The previous prime is 163085459. The next prime is 163085563. The reversal of 163085535 is 535580361.

163085535 is a `hidden beast` number, since 16 + 30 + 85 + 535 = 666.

It is not a de Polignac number, because 163085535 - 2¹² = 163081439 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 163085535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6507 + ... + 19196.

It is an arithmetic number, because the mean of its divisors is an integer number (9253440).

Almost surely, 2^163085535 is an apocalyptic number.

163085535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163085535 is a deficient number, since it is larger than the sum of its proper divisors (133024545).

163085535 is a wasteful number, since it uses less digits than its factorization.

163085535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25764 (or 25758 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 163085535 is about 12770.4947045915. The cubic root of 163085535 is about 546.3510904586.

The spelling of 163085535 in words is "one hundred sixty-three million, eighty-five thousand, five hundred thirty-five".