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160161640804 = 22112181912
BaseRepresentation
bin1001010100101001100…
…0001011000101100100
3120022101221101100111101
42111022120023011210
510111002340001204
6201324403445444
714366645325124
oct2251230130544
9508357340441
10160161640804
1161a19086300
1227059986884
13121458b3179
147a7518cc84
154275c6aea4
hex254a60b164

160161640804 has 27 divisors (see below), whose sum is σ = 308096456563. Its totient is φ = 72796743800.

The previous prime is 160161640801. The next prime is 160161640811. The reversal of 160161640804 is 408046161061.

The square root of 160161640804 is 400202.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160161640801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8795349 + ... + 8813539.

Almost surely, 2160161640804 is an apocalyptic number.

160161640804 is the 400202-nd square number.

It is an amenable number.

160161640804 is a deficient number, since it is larger than the sum of its proper divisors (147934815759).

160161640804 is an frugal number, since it uses more digits than its factorization.

160161640804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36408 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 160161640804 in words is "one hundred sixty billion, one hundred sixty-one million, six hundred forty thousand, eight hundred four".

Divisors: 1 2 4 11 22 44 121 242 484 18191 36382 72764 200101 400202 800404 2201111 4402222 8804444 330912481 661824962 1323649924 3640037291 7280074582 14560149164 40040410201 80080820402 160161640804