1825165454224 has 180 divisors, whose sum is σ = 4344934349484. Its totient is φ = 740459833344.

The previous prime is 1825165454201. The next prime is 1825165454249. The reversal of 1825165454224 is 4224545615281.

It can be written as a sum of positive squares in 2 ways, for example, as 1401145690000 + 424019764224 = 1183700^2 + 651168^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 672746692 + ... + 672749404.

Almost surely, 2^{1825165454224} is an apocalyptic number.

1825165454224 is a gapful number since it is divisible by the number (14) 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 1825165454224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172467174742).

1825165454224 is an abundant number, since it is smaller than the sum of its proper divisors (2519768895260).

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

1825165454224 is a wasteful number, since it uses less digits than its factorization.

1825165454224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5118 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 49.

The spelling of 1825165454224 in words is "one trillion, eight hundred twenty-five billion, one hundred sixty-five million, four hundred fifty-four thousand, two hundred twenty-four".