163400527 has 4 divisors (see below), whose sum is σ = 165018456. Its totient is φ = 161782600.

The previous prime is 163400509. The next prime is 163400543. The reversal of 163400527 is 725004361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 725004361 = 101 ⋅7178261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163400527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163400495 and 163400504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163400507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808813 + ... + 809014.

It is an arithmetic number, because the mean of its divisors is an integer number (41254614).

Almost surely, 2^163400527 is an apocalyptic number.

163400527 is a deficient number, since it is larger than the sum of its proper divisors (1617929).

163400527 is a wasteful number, since it uses less digits than its factorization.

163400527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617928.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 163400527 is about 12782.8215586388. The cubic root of 163400527 is about 546.7026146712.

Adding to 163400527 its reverse (725004361), we get a palindrome (888404888).

The spelling of 163400527 in words is "one hundred sixty-three million, four hundred thousand, five hundred twenty-seven".