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161496151 is a prime number
BaseRepresentation
bin10011010000000…
…11110001010111
3102020212212001221
421220003301113
5312320334101
624005231211
74000460155
oct1150036127
9366785057
10161496151
11831844a3
1246102507
13275c576b
141763c3d5
15e2a0aa1
hex9a03c57

161496151 has 2 divisors, whose sum is σ = 161496152. Its totient is φ = 161496150.

The previous prime is 161496149. The next prime is 161496169. The reversal of 161496151 is 151694161.

It is a weak prime.

It is an emirp because it is prime and its reverse (151694161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161496151 - 21 = 161496149 is a prime.

Together with 161496149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161496451) 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, 80748075 + 80748076.

It is an arithmetic number, because the mean of its divisors is an integer number (80748076).

Almost surely, 2161496151 is an apocalyptic number.

161496151 is a deficient number, since it is larger than the sum of its proper divisors (1).

161496151 is an equidigital number, since it uses as much as digits as its factorization.

161496151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 161496151 is about 12708.1135893570. The cubic root of 161496151 is about 544.5704338889.

The spelling of 161496151 in words is "one hundred sixty-one million, four hundred ninety-six thousand, one hundred fifty-one".