1164136818528 has 288 divisors, whose sum is σ = 3637553826816. Its totient is φ = 364970354688.

The previous prime is 1164136818517. The next prime is 1164136818529. The reversal of 1164136818528 is 8258186314611.

1164136818528 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 1 + 36 + 81 + 8 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164136818529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336162525 + ... + 336165987.

It is an arithmetic number, because the mean of its divisors is an integer number (12630395232).

Almost surely, 2^{1164136818528} is an apocalyptic number.

1164136818528 is a gapful number since it is divisible by the number (18) 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 1164136818528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818776913408).

1164136818528 is an abundant number, since it is smaller than the sum of its proper divisors (2473417008288).

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

1164136818528 is a wasteful number, since it uses less digits than its factorization.

1164136818528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048 (or 6028 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 1164136818528 in words is "one trillion, one hundred sixty-four billion, one hundred thirty-six million, eight hundred eighteen thousand, five hundred twenty-eight".