163164550 has 12 divisors (see below), whose sum is σ = 303486156. Its totient is φ = 65265800.

The previous prime is 163164523. The next prime is 163164557. The reversal of 163164550 is 55461361.

163164550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163164557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1631596 + ... + 1631695.

It is an arithmetic number, because the mean of its divisors is an integer number (25290513).

Almost surely, 2^163164550 is an apocalyptic number.

163164550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163164550 is a deficient number, since it is larger than the sum of its proper divisors (140321606).

163164550 is a wasteful number, since it uses less digits than its factorization.

163164550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263303 (or 3263298 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 163164550 is about 12773.5879845876. The cubic root of 163164550 is about 546.4393119785.

The spelling of 163164550 in words is "one hundred sixty-three million, one hundred sixty-four thousand, five hundred fifty".