164364550 has 24 divisors (see below), whose sum is σ = 349392816. Its totient is φ = 56353440.

The previous prime is 164364523. The next prime is 164364553. The reversal of 164364550 is 55463461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164364553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234457 + ... + 235156.

It is an arithmetic number, because the mean of its divisors is an integer number (14558034).

Almost surely, 2^164364550 is an apocalyptic number.

164364550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164364550 is an abundant number, since it is smaller than the sum of its proper divisors (185028266).

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

164364550 is a wasteful number, since it uses less digits than its factorization.

164364550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469632 (or 469627 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 164364550 is about 12820.4738601972. The cubic root of 164364550 is about 547.7756443024.

The spelling of 164364550 in words is "one hundred sixty-four million, three hundred sixty-four thousand, five hundred fifty".