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11661607 is a prime number
BaseRepresentation
bin101100011111…
…000100100111
3210221110201101
4230133010213
510441132412
61053540531
7201056566
oct54370447
923843641
1011661607
1166455a1
123aa4747
132553c79
141797bdd
151055457
hexb1f127

11661607 has 2 divisors, whose sum is σ = 11661608. Its totient is φ = 11661606.

The previous prime is 11661571. The next prime is 11661613. The reversal of 11661607 is 70616611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11661607 - 223 = 3272999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11661407) 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, 5830803 + 5830804.

It is an arithmetic number, because the mean of its divisors is an integer number (5830804).

Almost surely, 211661607 is an apocalyptic number.

11661607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11661607 is an equidigital number, since it uses as much as digits as its factorization.

11661607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11661607 is about 3414.9095156387. The cubic root of 11661607 is about 226.7702787070.

The spelling of 11661607 in words is "eleven million, six hundred sixty-one thousand, six hundred seven".