169890483456 has 432 divisors, whose sum is σ = 538762818048. Its totient is φ = 53299814400.

The previous prime is 169890483437. The next prime is 169890483491. The reversal of 169890483456 is 654384098961.

169890483456 is a `hidden beast` number, since 1 + 6 + 98 + 90 + 4 + 8 + 3 + 456 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a junction number, because it is equal to n+sod(n) for n = 169890483393 and 169890483402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71351386 + ... + 71353766.

Almost surely, 2^169890483456 is an apocalyptic number.

169890483456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169890483456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269381409024).

169890483456 is an abundant number, since it is smaller than the sum of its proper divisors (368872334592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169890483456 is an equidigital number, since it uses as much as digits as its factorization.

169890483456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 169890483456 in words is "one hundred sixty-nine billion, eight hundred ninety million, four hundred eighty-three thousand, four hundred fifty-six".