1164623355072 has 336 divisors, whose sum is σ = 3495252852000. Its totient is φ = 384475299840.

The previous prime is 1164623355031. The next prime is 1164623355109. The reversal of 1164623355072 is 2705533264611.

1164623355072 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 6 + 23 + 3 + 550 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1253630704 + ... + 1253631632.

It is an arithmetic number, because the mean of its divisors is an integer number (10402538250).

Almost surely, 2^{1164623355072} is an apocalyptic number.

1164623355072 is a gapful number since it is divisible by the number (12) 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 1164623355072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747626426000).

1164623355072 is an abundant number, since it is smaller than the sum of its proper divisors (2330629496928).

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

1164623355072 is an equidigital number, since it uses as much as digits as its factorization.

1164623355072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 1164623355072 in words is "one trillion, one hundred sixty-four billion, six hundred twenty-three million, three hundred fifty-five thousand, seventy-two".