1663416120 has 64 divisors (see below), whose sum is σ = 5207224320. Its totient is φ = 424290944.

The previous prime is 1663416101. The next prime is 1663416127. The reversal of 1663416120 is 216143661.

1663416120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663416127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298584 + ... + 304103.

It is an arithmetic number, because the mean of its divisors is an integer number (81362880).

Almost surely, 2^1663416120 is an apocalyptic number.

1663416120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1663416120 is an abundant number, since it is smaller than the sum of its proper divisors (3543808200).

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

1663416120 is a wasteful number, since it uses less digits than its factorization.

1663416120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602724 (or 602720 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1663416120 is about 40784.9987127620. The cubic root of 1663416120 is about 1184.8598100104.

Adding to 1663416120 its reverse (216143661), we get a palindrome (1879559781).

The spelling of 1663416120 in words is "one billion, six hundred sixty-three million, four hundred sixteen thousand, one hundred twenty".