1618152177664 has 240 divisors, whose sum is σ = 3706812748800. Its totient is φ = 699590246400.

The previous prime is 1618152177617. The next prime is 1618152177667. The reversal of 1618152177664 is 4667712518161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1618152177667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329627242 + ... + 329632150.

It is an arithmetic number, because the mean of its divisors is an integer number (15445053120).

Almost surely, 2^{1618152177664} 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 1618152177664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853406374400).

1618152177664 is an abundant number, since it is smaller than the sum of its proper divisors (2088660571136).

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

1618152177664 is an equidigital number, since it uses as much as digits as its factorization.

1618152177664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5012 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 1618152177664 in words is "one trillion, six hundred eighteen billion, one hundred fifty-two million, one hundred seventy-seven thousand, six hundred sixty-four".