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164211461 is a prime number
BaseRepresentation
bin10011100100110…
…10101100000101
3102102222210202222
421302122230011
5314014231321
624143342125
74032526421
oct1162325405
9372883688
10164211461
1184769557
1246bb1945
132803665b
1417b47b81
15e63a3ab
hex9c9ab05

164211461 has 2 divisors, whose sum is σ = 164211462. Its totient is φ = 164211460.

The previous prime is 164211409. The next prime is 164211469. The reversal of 164211461 is 164112461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160528900 + 3682561 = 12670^2 + 1919^2 .

It is an emirp because it is prime and its reverse (164112461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164211461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164211461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164211469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82105730 + 82105731.

It is an arithmetic number, because the mean of its divisors is an integer number (82105731).

Almost surely, 2164211461 is an apocalyptic number.

It is an amenable number.

164211461 is a deficient number, since it is larger than the sum of its proper divisors (1).

164211461 is an equidigital number, since it uses as much as digits as its factorization.

164211461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 164211461 is about 12814.5019801786. The cubic root of 164211461 is about 547.6055255545.

The spelling of 164211461 in words is "one hundred sixty-four million, two hundred eleven thousand, four hundred sixty-one".