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161680088096 = 255052502753
BaseRepresentation
bin1001011010010011100…
…0100101110000100000
3120110022202121110120222
42112210320211300200
510122110100304341
6202135205222212
714452404034142
oct2264470456040
9513282543528
10161680088096
116262821621a
1227402401968
1312328363ba7
147b7aad4c92
15431420b44b
hex25a4e25c20

161680088096 has 12 divisors (see below), whose sum is σ = 318307673502. Its totient is φ = 80840044032.

The previous prime is 161680088093. The next prime is 161680088113. The reversal of 161680088096 is 690880086161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122055204496 + 39624883600 = 349364^2 + 199060^2 .

It is a super-2 number, since 2×1616800880962 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161680088093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526251345 + ... + 2526251408.

Almost surely, 2161680088096 is an apocalyptic number.

161680088096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161680088096 is a deficient number, since it is larger than the sum of its proper divisors (156627585406).

161680088096 is an equidigital number, since it uses as much as digits as its factorization.

161680088096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052502763 (or 5052502755 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 161680088096 in words is "one hundred sixty-one billion, six hundred eighty million, eighty-eight thousand, ninety-six".

Divisors: 1 2 4 8 16 32 5052502753 10105005506 20210011012 40420022024 80840044048 161680088096