1133623664 has 40 divisors (see below), whose sum is σ = 2214895440. Its totient is φ = 562060800.

The previous prime is 1133623661. The next prime is 1133623703. The reversal of 1133623664 is 4663263311.

It is a super-2 number, since 2×1133623664² = 2570205223161569792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133623661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380374 + ... + 1381194.

It is an arithmetic number, because the mean of its divisors is an integer number (55372386).

Almost surely, 2^1133623664 is an apocalyptic number.

It is an amenable number.

1133623664 is a deficient number, since it is larger than the sum of its proper divisors (1081271776).

1133623664 is a wasteful number, since it uses less digits than its factorization.

1133623664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1443 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 1133623664 is about 33669.3282380270. The cubic root of 1133623664 is about 1042.6926232101.

Adding to 1133623664 its reverse (4663263311), we get a palindrome (5796886975).

The spelling of 1133623664 in words is "one billion, one hundred thirty-three million, six hundred twenty-three thousand, six hundred sixty-four".