164514140 has 48 divisors (see below), whose sum is σ = 404478144. Its totient is φ = 55027200.

The previous prime is 164514139. The next prime is 164514143. The reversal of 164514140 is 41415461.

164514140 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 (164514143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8591 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (8426628).

Almost surely, 2^164514140 is an apocalyptic number.

164514140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164514140 is an abundant number, since it is smaller than the sum of its proper divisors (239964004).

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

164514140 is a wasteful number, since it uses less digits than its factorization.

164514140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28718 (or 28716 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 164514140 is about 12826.3065611266. The cubic root of 164514140 is about 547.9417728106.

The spelling of 164514140 in words is "one hundred sixty-four million, five hundred fourteen thousand, one hundred forty".