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16667085419 is a prime number
BaseRepresentation
bin11111000010110111…
…11000101001101011
31121000120001122221222
433201123320221223
5233113233213134
611353505252255
71130011613525
oct174133705153
947016048858
1016667085419
117083153a66
12329193408b
13175803cb2a
14b417bca15
15678365a2e
hex3e16f8a6b

16667085419 has 2 divisors, whose sum is σ = 16667085420. Its totient is φ = 16667085418.

The previous prime is 16667085353. The next prime is 16667085443. The reversal of 16667085419 is 91458076661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16667085419 - 28 = 16667085163 is a prime.

It is a super-2 number, since 2×166670854192 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16667015419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333542709 + 8333542710.

It is an arithmetic number, because the mean of its divisors is an integer number (8333542710).

Almost surely, 216667085419 is an apocalyptic number.

16667085419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667085419 is an equidigital number, since it uses as much as digits as its factorization.

16667085419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 16667085419 in words is "sixteen billion, six hundred sixty-seven million, eighty-five thousand, four hundred nineteen".