1182449664 has 270 divisors, whose sum is σ = 3869520564. Its totient is φ = 358318080.

The previous prime is 1182449659. The next prime is 1182449669. The reversal of 1182449664 is 4669442811.

It is an interprime number because it is at equal distance from previous prime (1182449659) and next prime (1182449669).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

Its product of digits (331776) is a multiple of the sum of its prime divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1182449669) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 107495419 + ... + 107495429.

Almost surely, 2^1182449664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182449664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934760282).

1182449664 is an abundant number, since it is smaller than the sum of its proper divisors (2687070900).

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

1182449664 is an frugal number, since it uses more digits than its factorization.

1182449664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 16 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1182449664 is about 34386.7658264048. The cubic root of 1182449664 is about 1057.4525465352.

The spelling of 1182449664 in words is "one billion, one hundred eighty-two million, four hundred forty-nine thousand, six hundred sixty-four".