1182663680 has 264 divisors, whose sum is σ = 3293148096. Its totient is φ = 406405120.

The previous prime is 1182663659. The next prime is 1182663689. The reversal of 1182663680 is 863662811.

It is a super-2 number, since 2×1182663680² = 2797386759982284800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1182663689) 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, 14248919 + ... + 14249001.

Almost surely, 2^1182663680 is an apocalyptic number.

1182663680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646574048).

1182663680 is an abundant number, since it is smaller than the sum of its proper divisors (2110484416).

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

1182663680 is a wasteful number, since it uses less digits than its factorization.

1182663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1182663680 is about 34389.8775804742. The cubic root of 1182663680 is about 1057.5163401209.

The spelling of 1182663680 in words is "one billion, one hundred eighty-two million, six hundred sixty-three thousand, six hundred eighty".