1654983647136 has 144 divisors (see below), whose sum is σ = 4735663470720. Its totient is φ = 548236961280.

The previous prime is 1654983647129. The next prime is 1654983647179. The reversal of 1654983647136 is 6317463894561.

It is a happy number.

1654983647136 is a `hidden beast` number, since 1 + 6 + 5 + 498 + 3 + 6 + 4 + 7 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1654983647136² (a number of 25 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 30266541 + ... + 30321171.

It is an arithmetic number, because the mean of its divisors is an integer number (32886551880).

Almost surely, 2^{1654983647136} is an apocalyptic number.

1654983647136 is a gapful number since it is divisible by the number (16) 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 1654983647136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367831735360).

1654983647136 is an abundant number, since it is smaller than the sum of its proper divisors (3080679823584).

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

1654983647136 is a wasteful number, since it uses less digits than its factorization.

1654983647136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55299 (or 55288 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 1654983647136 in words is "one trillion, six hundred fifty-four billion, nine hundred eighty-three million, six hundred forty-seven thousand, one hundred thirty-six".