163135516 has 36 divisors (see below), whose sum is σ = 303191616. Its totient is φ = 76803120.

The previous prime is 163135471. The next prime is 163135529. The reversal of 163135516 is 615531361.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

163135516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163135516² = 53226393161172512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4409050 + ... + 4409086.

Almost surely, 2^163135516 is an apocalyptic number.

It is an amenable number.

163135516 is a deficient number, since it is larger than the sum of its proper divisors (140056100).

163135516 is an frugal number, since it uses more digits than its factorization.

163135516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 70 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 163135516 is about 12772.4514483321. The cubic root of 163135516 is about 546.4068983607.

Multiplying 163135516 by its sum of digits (31), we get a square (5057200996 = 71114²).

163135516 divided by its sum of digits (31) gives a square (5262436 = 2294²).

Adding to 163135516 its reverse (615531361), we get a palindrome (778666877).

The spelling of 163135516 in words is "one hundred sixty-three million, one hundred thirty-five thousand, five hundred sixteen".