1164590921960 has 64 divisors (see below), whose sum is σ = 2654529580800. Its totient is φ = 459760953600.

The previous prime is 1164590921947. The next prime is 1164590921983. The reversal of 1164590921960 is 691290954611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8212055 + ... + 8352665.

It is an arithmetic number, because the mean of its divisors is an integer number (41477024700).

Almost surely, 2^{1164590921960} is an apocalyptic number.

1164590921960 is a gapful number since it is divisible by the number (10) 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 1164590921960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327264790400).

1164590921960 is an abundant number, since it is smaller than the sum of its proper divisors (1489938658840).

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

1164590921960 is a wasteful number, since it uses less digits than its factorization.

1164590921960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143322 (or 143318 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 1164590921960 in words is "one trillion, one hundred sixty-four billion, five hundred ninety million, nine hundred twenty-one thousand, nine hundred sixty".