163464644 has 24 divisors (see below), whose sum is σ = 327237120. Its totient is φ = 69990336.

The previous prime is 163464589. The next prime is 163464659. The reversal of 163464644 is 446464361.

163464644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163464598 and 163464607.

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, 38264 + ... + 42320.

It is an arithmetic number, because the mean of its divisors is an integer number (13634880).

Almost surely, 2^163464644 is an apocalyptic number.

163464644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163464644 is an abundant number, since it is smaller than the sum of its proper divisors (163772476).

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

163464644 is a wasteful number, since it uses less digits than its factorization.

163464644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5505 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 163464644 is about 12785.3292487914. The cubic root of 163464644 is about 546.7741124980.

The spelling of 163464644 in words is "one hundred sixty-three million, four hundred sixty-four thousand, six hundred forty-four".