163240534413 has 32 divisors (see below), whose sum is σ = 264418836480. Its totient is φ = 98710251120.

The previous prime is 163240534411. The next prime is 163240534433. The reversal of 163240534413 is 314435042361.

163240534413 is a `hidden beast` number, since 1 + 63 + 24 + 0 + 534 + 41 + 3 = 666.

It is not a de Polignac number, because 163240534413 - 2¹ = 163240534411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240534411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488781 + ... + 751922.

It is an arithmetic number, because the mean of its divisors is an integer number (8263088640).

Almost surely, 2^163240534413 is an apocalyptic number.

It is an amenable number.

163240534413 is a deficient number, since it is larger than the sum of its proper divisors (101178302067).

163240534413 is a wasteful number, since it uses less digits than its factorization.

163240534413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241166 (or 1241160 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 163240534413 its reverse (314435042361), we get a palindrome (477675576774).

The spelling of 163240534413 in words is "one hundred sixty-three billion, two hundred forty million, five hundred thirty-four thousand, four hundred thirteen".