1194507664 has 80 divisors (see below), whose sum is σ = 2735463808. Its totient is φ = 494678016.

The previous prime is 1194507631. The next prime is 1194507689. The reversal of 1194507664 is 4667054911.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 1194507664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465874 + ... + 468430.

Almost surely, 2^1194507664 is an apocalyptic number.

1194507664 is a gapful number since it is divisible by the number (14) 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 1194507664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367731904).

1194507664 is an abundant number, since it is smaller than the sum of its proper divisors (1540956144).

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

1194507664 is a wasteful number, since it uses less digits than its factorization.

1194507664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1194507664 is about 34561.6501920843. The cubic root of 1194507664 is about 1061.0348455598.

The spelling of 1194507664 in words is "one billion, one hundred ninety-four million, five hundred seven thousand, six hundred sixty-four".