1196705664 has 320 divisors, whose sum is σ = 4443120000. Its totient is φ = 310625280.

The previous prime is 1196705647. The next prime is 1196705687. The reversal of 1196705664 is 4665076911.

1196705664 is a `hidden beast` number, since 1 + 19 + 6 + 70 + 566 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 797587 + ... + 799085.

It is an arithmetic number, because the mean of its divisors is an integer number (13884750).

Almost surely, 2^1196705664 is an apocalyptic number.

1196705664 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 1196705664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221560000).

1196705664 is an abundant number, since it is smaller than the sum of its proper divisors (3246414336).

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

1196705664 is a wasteful number, since it uses less digits than its factorization.

1196705664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1196705664 is about 34593.4338278235. The cubic root of 1196705664 is about 1061.6852461848.

The spelling of 1196705664 in words is "one billion, one hundred ninety-six million, seven hundred five thousand, six hundred sixty-four".