Search a number
-
+
162160357066 = 281080178533
BaseRepresentation
bin1001011100000110000…
…0101010111011001010
3120111120020022122202121
42113001200222323022
510124101022411231
6202255003121454
714500325202211
oct2270140527312
9514506278677
10162160357066
1162854326424
122751721328a
13123a39cb106
147bc47d2078
154341478311
hex25c182aeca

162160357066 has 4 divisors (see below), whose sum is σ = 243240535602. Its totient is φ = 81080178532.

The previous prime is 162160357039. The next prime is 162160357067. The reversal of 162160357066 is 660753061261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107554482025 + 54605875041 = 327955^2 + 233679^2 .

It is a super-2 number, since 2×1621603570662 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162160357067) 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 as a sum of consecutive naturals, namely, 40540089265 + ... + 40540089268.

Almost surely, 2162160357066 is an apocalyptic number.

162160357066 is a deficient number, since it is larger than the sum of its proper divisors (81080178536).

162160357066 is an equidigital number, since it uses as much as digits as its factorization.

162160357066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81080178535.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 162160357066 in words is "one hundred sixty-two billion, one hundred sixty million, three hundred fifty-seven thousand, sixty-six".

Divisors: 1 2 81080178533 162160357066