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164472211 is a prime number
BaseRepresentation
bin10011100110110…
…10010110010011
3102110111001110101
421303122112103
5314101102321
624153113231
74034663551
oct1163322623
9373431411
10164472211
1184927452
12470b8817
13280c8247
1417bb4bd1
15e68c791
hex9cda593

164472211 has 2 divisors, whose sum is σ = 164472212. Its totient is φ = 164472210.

The previous prime is 164472193. The next prime is 164472221. The reversal of 164472211 is 112274461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164472211 - 27 = 164472083 is a prime.

It is a super-2 number, since 2×1644722112 = 54102216382457042, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164472211.

It is not a weakly prime, because it can be changed into another prime (164472221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82236105 + 82236106.

It is an arithmetic number, because the mean of its divisors is an integer number (82236106).

Almost surely, 2164472211 is an apocalyptic number.

164472211 is a deficient number, since it is larger than the sum of its proper divisors (1).

164472211 is an equidigital number, since it uses as much as digits as its factorization.

164472211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 164472211 is about 12824.6719646157. The cubic root of 164472211 is about 547.8952183469.

The spelling of 164472211 in words is "one hundred sixty-four million, four hundred seventy-two thousand, two hundred eleven".