163504260412 has 24 divisors (see below), whose sum is σ = 288966790112. Its totient is φ = 80942630400.

The previous prime is 163504260329. The next prime is 163504260433. The reversal of 163504260412 is 214062405361.

It is a super-2 number, since 2×163504260412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238712 + ... + 2310592.

Almost surely, 2^163504260412 is an apocalyptic number.

It is an amenable number.

163504260412 is a deficient number, since it is larger than the sum of its proper divisors (125462529700).

163504260412 is a wasteful number, since it uses less digits than its factorization.

163504260412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77509 (or 77507 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 163504260412 its reverse (214062405361), we get a palindrome (377566665773).

The spelling of 163504260412 in words is "one hundred sixty-three billion, five hundred four million, two hundred sixty thousand, four hundred twelve".