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161423527 is a prime number
BaseRepresentation
bin10011001111100…
…10000010100111
3102020202011110011
421213302002213
5312311023102
624003511051
74000035346
oct1147620247
9366664404
10161423527
1183134981
1246088487
132759b6a5
141761db5d
15e2892d7
hex99f20a7

161423527 has 2 divisors, whose sum is σ = 161423528. Its totient is φ = 161423526.

The previous prime is 161423491. The next prime is 161423533. The reversal of 161423527 is 725324161.

161423527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-161423527 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80711763 + 80711764.

It is an arithmetic number, because the mean of its divisors is an integer number (80711764).

Almost surely, 2161423527 is an apocalyptic number.

161423527 is a deficient number, since it is larger than the sum of its proper divisors (1).

161423527 is an equidigital number, since it uses as much as digits as its factorization.

161423527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 161423527 is about 12705.2558809337. The cubic root of 161423527 is about 544.4887914623.

Adding to 161423527 its reverse (725324161), we get a palindrome (886747688).

The spelling of 161423527 in words is "one hundred sixty-one million, four hundred twenty-three thousand, five hundred twenty-seven".