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1665160132 = 221797125219
BaseRepresentation
bin110001101000000…
…0101001111000100
311022001021220021111
41203100011033010
511402240111012
6433122054404
756156425156
oct14320051704
94261256244
101665160132
11784a374a9
123a57aa404
13206c9b66c
1411b216ad6
159b2c0ba7
hex634053c4

1665160132 has 24 divisors (see below), whose sum is σ = 3088743840. Its totient is φ = 782766720.

The previous prime is 1665160129. The next prime is 1665160157. The reversal of 1665160132 is 2310615661.

It is a junction number, because it is equal to n+sod(n) for n = 1665160094 and 1665160103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53419 + ... + 78637.

It is an arithmetic number, because the mean of its divisors is an integer number (128697660).

Almost surely, 21665160132 is an apocalyptic number.

It is an amenable number.

1665160132 is a deficient number, since it is larger than the sum of its proper divisors (1423583708).

1665160132 is a wasteful number, since it uses less digits than its factorization.

1665160132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211 (or 26209 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1665160132 is about 40806.3736688278. The cubic root of 1665160132 is about 1185.2737549328.

Adding to 1665160132 its reverse (2310615661), we get a palindrome (3975775793).

The spelling of 1665160132 in words is "one billion, six hundred sixty-five million, one hundred sixty thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 971 1942 3884 16507 25219 33014 50438 66028 100876 428723 857446 1714892 24487649 48975298 97950596 416290033 832580066 1665160132