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164105353 = 712311343
BaseRepresentation
bin10011100100000…
…00110010001001
3102102210102020001
421302000302021
5314002332403
624141203001
74031605156
oct1162006211
9372712201
10164105353
11846a6865
1246b60461
1327cca279
1417b1b22d
15e618c1d
hex9c80c89

164105353 has 4 divisors (see below), whose sum is σ = 166416768. Its totient is φ = 161793940.

The previous prime is 164105339. The next prime is 164105399. The reversal of 164105353 is 353501461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353501461 = 1049336989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164105353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164105653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155601 + ... + 1155742.

It is an arithmetic number, because the mean of its divisors is an integer number (41604192).

Almost surely, 2164105353 is an apocalyptic number.

It is an amenable number.

164105353 is a deficient number, since it is larger than the sum of its proper divisors (2311415).

164105353 is an equidigital number, since it uses as much as digits as its factorization.

164105353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311414.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 164105353 is about 12810.3611580626. The cubic root of 164105353 is about 547.4875519643.

The spelling of 164105353 in words is "one hundred sixty-four million, one hundred five thousand, three hundred fifty-three".

Divisors: 1 71 2311343 164105353