1663524160 has 112 divisors (see below), whose sum is σ = 4100608512. Its totient is φ = 642355200.

The previous prime is 1663524133. The next prime is 1663524193. The reversal of 1663524160 is 614253661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350745 + ... + 1351975.

It is an arithmetic number, because the mean of its divisors is an integer number (36612576).

Almost surely, 2^1663524160 is an apocalyptic number.

1663524160 is a gapful number since it is divisible by the number (10) 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 1663524160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050304256).

1663524160 is an abundant number, since it is smaller than the sum of its proper divisors (2437084352).

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

1663524160 is a wasteful number, since it uses less digits than its factorization.

1663524160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1663524160 is about 40786.3231978564. The cubic root of 1663524160 is about 1184.8854619366.

The spelling of 1663524160 in words is "one billion, six hundred sixty-three million, five hundred twenty-four thousand, one hundred sixty".