1663130553 has 48 divisors (see below), whose sum is σ = 2834027520. Its totient is φ = 847321344.

The previous prime is 1663130549. The next prime is 1663130561. The reversal of 1663130553 is 3550313661.

It is not a de Polignac number, because 1663130553 - 2² = 1663130549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663130503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108100 + ... + 122522.

It is an arithmetic number, because the mean of its divisors is an integer number (59042240).

Almost surely, 2^1663130553 is an apocalyptic number.

It is an amenable number.

1663130553 is a deficient number, since it is larger than the sum of its proper divisors (1170896967).

1663130553 is a wasteful number, since it uses less digits than its factorization.

1663130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14486 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 1663130553 is about 40781.4976797076. The cubic root of 1663130553 is about 1184.7920025184.

The spelling of 1663130553 in words is "one billion, six hundred sixty-three million, one hundred thirty thousand, five hundred fifty-three".