1663000958 has 8 divisors (see below), whose sum is σ = 2494773120. Its totient is φ = 831409920.

The previous prime is 1663000951. The next prime is 1663000961. The reversal of 1663000958 is 8590003661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663000951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19358 + ... + 60833.

It is an arithmetic number, because the mean of its divisors is an integer number (311846640).

Almost surely, 2^1663000958 is an apocalyptic number.

1663000958 is a deficient number, since it is larger than the sum of its proper divisors (831772162).

1663000958 is a wasteful number, since it uses less digits than its factorization.

1663000958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90562.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1663000958 is about 40779.9087541892. The cubic root of 1663000958 is about 1184.7612278031.

The spelling of 1663000958 in words is "one billion, six hundred sixty-three million, nine hundred fifty-eight", and thus it is an aban number.