1164043305546 has 128 divisors (see below), whose sum is σ = 2790514022400. Its totient is φ = 319545135360.

The previous prime is 1164043305533. The next prime is 1164043305559. The reversal of 1164043305546 is 6455033404611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1164043305533) and next prime (1164043305559).

It is a junction number, because it is equal to n+sod(n) for n = 1164043305498 and 1164043305507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182191720 + ... + 182198108.

It is an arithmetic number, because the mean of its divisors is an integer number (21800890800).

Almost surely, 2^{1164043305546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164043305546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395257011200).

1164043305546 is an abundant number, since it is smaller than the sum of its proper divisors (1626470716854).

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

1164043305546 is a wasteful number, since it uses less digits than its factorization.

1164043305546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1164043305546 in words is "one trillion, one hundred sixty-four billion, forty-three million, three hundred five thousand, five hundred forty-six".