163400084 has 24 divisors (see below), whose sum is σ = 290382120. Its totient is φ = 80441856.

The previous prime is 163400077. The next prime is 163400137. The reversal of 163400084 is 480004361.

163400084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 163072900 = 572^2 + 12770^2 .

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, 97784 + ... + 99440.

It is an arithmetic number, because the mean of its divisors is an integer number (12099255).

Almost surely, 2^163400084 is an apocalyptic number.

It is an amenable number.

163400084 is a deficient number, since it is larger than the sum of its proper divisors (126982036).

163400084 is a wasteful number, since it uses less digits than its factorization.

163400084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 163400084 is about 12782.8042306843. The cubic root of 163400084 is about 546.7021206102.

The spelling of 163400084 in words is "one hundred sixty-three million, four hundred thousand, eighty-four".