Multipling 153664 by its sum of digits (25), we get a square (3841600 = 19602).
The square root of 153664 is 392.
It is an ABA number since it can be written as A⋅BA, here for A=4, B=14.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is an unprimeable number.
153664 is a Friedman number, since it can be written as 56^(3+1)/64, using all its digits and the basic arithmetic operations.
2153664 is an apocalyptic number.
153664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
153664 is the 392-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 153664
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153664 is an frugal number, since it uses more digits than its factorization.
153664 is an odious number, because the sum of its binary digits is odd.
The cubic root of 153664 is about 53.5620731176.
The spelling of 153664 in words is "one hundred fifty-three thousand, six hundred sixty-four".