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164166810 = 2355472227
BaseRepresentation
bin10011100100011…
…11110010011010
3102102220112112020
421302033302122
5314011314220
624142355310
74032252303
oct1162176232
9372815466
10164166810
1184738a55
1246b8bb36
132801c232
1417b357aa
15e62c040
hex9c8fc9a

164166810 has 16 divisors (see below), whose sum is σ = 394000416. Its totient is φ = 43777808.

The previous prime is 164166803. The next prime is 164166833. The reversal of 164166810 is 18661461.

It is a super-2 number, since 2×1641668102 = 53901483011152200, which contains 22 as substring.

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, 2736084 + ... + 2736143.

It is an arithmetic number, because the mean of its divisors is an integer number (24625026).

Almost surely, 2164166810 is an apocalyptic number.

164166810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164166810 is an abundant number, since it is smaller than the sum of its proper divisors (229833606).

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

164166810 is a wasteful number, since it uses less digits than its factorization.

164166810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472237.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 164166810 is about 12812.7596559055. The cubic root of 164166810 is about 547.5558876249. Note that the first 3 decimals are identical.

The spelling of 164166810 in words is "one hundred sixty-four million, one hundred sixty-six thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 5472227 10944454 16416681 27361135 32833362 54722270 82083405 164166810