164455340 has 24 divisors (see below), whose sum is σ = 394693152. Its totient is φ = 56384640.

The previous prime is 164455339. The next prime is 164455351. The reversal of 164455340 is 43554461.

It is a junction number, because it is equal to n+sod(n) for n = 164455297 and 164455306.

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, 587201 + ... + 587480.

It is an arithmetic number, because the mean of its divisors is an integer number (16445548).

Almost surely, 2^164455340 is an apocalyptic number.

164455340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164455340 is an abundant number, since it is smaller than the sum of its proper divisors (230237812).

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

164455340 is a wasteful number, since it uses less digits than its factorization.

164455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174697 (or 1174695 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 164455340 is about 12824.0141921319. The cubic root of 164455340 is about 547.8764839637.

The spelling of 164455340 in words is "one hundred sixty-four million, four hundred fifty-five thousand, three hundred forty".