1201616064 has 168 divisors, whose sum is σ = 3820149840. Its totient is φ = 358041600.

The previous prime is 1201616057. The next prime is 1201616111. The reversal of 1201616064 is 4606161021.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384942 + ... + 388050.

Almost surely, 2^1201616064 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 1201616064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910074920).

1201616064 is an abundant number, since it is smaller than the sum of its proper divisors (2618533776).

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

1201616064 is a wasteful number, since it uses less digits than its factorization.

1201616064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1201616064 is about 34664.3341779415. The cubic root of 1201616064 is about 1063.1353897148.

Adding to 1201616064 its reverse (4606161021), we get a palindrome (5807777085).

The spelling of 1201616064 in words is "one billion, two hundred one million, six hundred sixteen thousand, sixty-four".