164326545 has 24 divisors (see below), whose sum is σ = 289089216. Its totient is φ = 86331168.

The previous prime is 164326543. The next prime is 164326609. The reversal of 164326545 is 545623461.

164326545 is a `hidden beast` number, since 1 + 643 + 2 + 6 + 5 + 4 + 5 = 666.

164326545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164326545 - 2¹ = 164326543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164326543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24237 + ... + 30266.

It is an arithmetic number, because the mean of its divisors is an integer number (12045384).

Almost surely, 2^164326545 is an apocalyptic number.

164326545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164326545 is a deficient number, since it is larger than the sum of its proper divisors (124762671).

164326545 is a wasteful number, since it uses less digits than its factorization.

164326545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54581 (or 54578 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 164326545 is about 12818.9915750031. The cubic root of 164326545 is about 547.7334214546.

The spelling of 164326545 in words is "one hundred sixty-four million, three hundred twenty-six thousand, five hundred forty-five".