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166713937 = 1327912487
BaseRepresentation
bin10011110111111…
…01101001010001
3102121200221112021
421323331221101
5320134321222
624313131441
74063021315
oct1173755121
9377627467
10166713937
1186118715
12479b9b81
1328701700
14181d9b45
15e981ac7
hex9efda51

166713937 has 12 divisors (see below), whose sum is σ = 182824320. Its totient is φ = 151929648.

The previous prime is 166713931. The next prime is 166713941. The reversal of 166713937 is 739317661.

It is not a de Polignac number, because 166713937 - 219 = 166189649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166713893 and 166713902.

It is not an unprimeable number, because it can be changed into a prime (166713931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7108 + ... + 19594.

It is an arithmetic number, because the mean of its divisors is an integer number (15235360).

Almost surely, 2166713937 is an apocalyptic number.

It is an amenable number.

166713937 is a deficient number, since it is larger than the sum of its proper divisors (16110383).

166713937 is a wasteful number, since it uses less digits than its factorization.

166713937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592 (or 12579 counting only the distinct ones).

The product of its digits is 142884, while the sum is 43.

The square root of 166713937 is about 12911.7751297023. The cubic root of 166713937 is about 550.3732309650.

The spelling of 166713937 in words is "one hundred sixty-six million, seven hundred thirteen thousand, nine hundred thirty-seven".

Divisors: 1 13 79 169 1027 12487 13351 162331 986473 2110303 12824149 166713937