163538412 has 12 divisors (see below), whose sum is σ = 381589656. Its totient is φ = 54512800.

The previous prime is 163538371. The next prime is 163538429. The reversal of 163538412 is 214835361.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814089 + ... + 6814112.

It is an arithmetic number, because the mean of its divisors is an integer number (31799138).

Almost surely, 2^163538412 is an apocalyptic number.

163538412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163538412 is an abundant number, since it is smaller than the sum of its proper divisors (218051244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163538412 is a wasteful number, since it uses less digits than its factorization.

163538412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628208 (or 13628206 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 163538412 is about 12788.2137923949. The cubic root of 163538412 is about 546.8563491740.

The spelling of 163538412 in words is "one hundred sixty-three million, five hundred thirty-eight thousand, four hundred twelve".