1663204662 has 48 divisors (see below), whose sum is σ = 4122267552. Its totient is φ = 474756480.

The previous prime is 1663204661. The next prime is 1663204663. The reversal of 1663204662 is 2664023661.

1663204662 is a `hidden beast` number, since 16 + 632 + 0 + 4 + 6 + 6 + 2 = 666.

1663204662 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1663204661) and next prime (1663204663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663204661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143218 + ... + 154394.

It is an arithmetic number, because the mean of its divisors is an integer number (85880574).

Almost surely, 2^1663204662 is an apocalyptic number.

1663204662 is an abundant number, since it is smaller than the sum of its proper divisors (2459062890).

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

1663204662 is a wasteful number, since it uses less digits than its factorization.

1663204662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373 (or 12370 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 1663204662 is about 40782.4062801596. The cubic root of 1663204662 is about 1184.8096003444.

The spelling of 1663204662 in words is "one billion, six hundred sixty-three million, two hundred four thousand, six hundred sixty-two".