1163621064 has 16 divisors (see below), whose sum is σ = 2909052720. Its totient is φ = 387873680.

The previous prime is 1163621057. The next prime is 1163621111. The reversal of 1163621064 is 4601263611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24242082 + ... + 24242129.

It is an arithmetic number, because the mean of its divisors is an integer number (181815795).

Almost surely, 2^1163621064 is an apocalyptic number.

It is an amenable number.

1163621064 is an abundant number, since it is smaller than the sum of its proper divisors (1745431656).

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

1163621064 is a wasteful number, since it uses less digits than its factorization.

1163621064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48484220 (or 48484216 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1163621064 is about 34111.8903609870. The cubic root of 1163621064 is about 1051.8097479160.

Adding to 1163621064 its reverse (4601263611), we get a palindrome (5764884675).

The spelling of 1163621064 in words is "one billion, one hundred sixty-three million, six hundred twenty-one thousand, sixty-four".