1333231164 has 72 divisors (see below), whose sum is σ = 3501349488. Its totient is φ = 443594880.

The previous prime is 1333231157. The next prime is 1333231213. The reversal of 1333231164 is 4611323331.

1333231164 is a `hidden beast` number, since 13 + 332 + 311 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 773824 + ... + 775544.

It is an arithmetic number, because the mean of its divisors is an integer number (48629854).

Almost surely, 2^1333231164 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 1333231164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750674744).

1333231164 is an abundant number, since it is smaller than the sum of its proper divisors (2168118324).

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

1333231164 is a wasteful number, since it uses less digits than its factorization.

1333231164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2523 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 1333231164 is about 36513.4381289957. The cubic root of 1333231164 is about 1100.6143026046.

Adding to 1333231164 its reverse (4611323331), we get a palindrome (5944554495).

The spelling of 1333231164 in words is "one billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred sixty-four".