1663232160 has 48 divisors (see below), whose sum is σ = 5239182816. Its totient is φ = 443528448.

The previous prime is 1663232149. The next prime is 1663232171. The reversal of 1663232160 is 612323661.

It is an interprime number because it is at equal distance from previous prime (1663232149) and next prime (1663232171).

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732054 + ... + 1733013.

It is an arithmetic number, because the mean of its divisors is an integer number (109149642).

Almost surely, 2^1663232160 is an apocalyptic number.

1663232160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1663232160 is an abundant number, since it is smaller than the sum of its proper divisors (3575950656).

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

1663232160 is a wasteful number, since it uses less digits than its factorization.

1663232160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465085 (or 3465077 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1663232160 is about 40782.7434094373. The cubic root of 1663232160 is about 1184.8161298505.

The spelling of 1663232160 in words is "one billion, six hundred sixty-three million, two hundred thirty-two thousand, one hundred sixty".