1663058250 has 256 divisors, whose sum is σ = 5366799360. Its totient is φ = 373248000.

The previous prime is 1663058233. The next prime is 1663058261. The reversal of 1663058250 is 528503661.

1663058250 is a `hidden beast` number, since 16 + 63 + 0 + 582 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2881962 + ... + 2882538.

It is an arithmetic number, because the mean of its divisors is an integer number (20964060).

Almost surely, 2^1663058250 is an apocalyptic number.

1663058250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1663058250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683399680).

1663058250 is an abundant number, since it is smaller than the sum of its proper divisors (3703741110).

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

1663058250 is a wasteful number, since it uses less digits than its factorization.

1663058250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1663058250 is about 40780.6112018935. The cubic root of 1663058250 is about 1184.7748330389.

The spelling of 1663058250 in words is "one billion, six hundred sixty-three million, fifty-eight thousand, two hundred fifty".