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164660165 = 5117128123
BaseRepresentation
bin10011101000010…
…00001111000101
3102110211121021122
421310020033011
5314123111130
624201123325
74036405535
oct1164101705
9373747248
10164660165
1184a4568a
1247189545
1328162967
1417c234c5
15e6c82e5
hex9d083c5

164660165 has 8 divisors (see below), whose sum is σ = 197767968. Its totient is φ = 131610960.

The previous prime is 164660161. The next prime is 164660179. The reversal of 164660165 is 561066461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164660165 - 22 = 164660161 is a prime.

It is a super-2 number, since 2×1646601652 = 54225939875654450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164660161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (24720996).

Almost surely, 2164660165 is an apocalyptic number.

It is an amenable number.

164660165 is a deficient number, since it is larger than the sum of its proper divisors (33107803).

164660165 is a wasteful number, since it uses less digits than its factorization.

164660165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29299.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 164660165 is about 12831.9977010596. The cubic root of 164660165 is about 548.1038450707.

The spelling of 164660165 in words is "one hundred sixty-four million, six hundred sixty thousand, one hundred sixty-five".

Divisors: 1 5 1171 5855 28123 140615 32932033 164660165