1612841561280 has 112 divisors (see below), whose sum is σ = 5689746649440. Its totient is φ = 430091080704.

The previous prime is 1612841561269. The next prime is 1612841561281. The reversal of 1612841561280 is 821651482161.

1612841561280 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 8 + 4 + 1 + 561 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1612841561281) by changing a digit.

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, 93327099 + ... + 93344378.

It is an arithmetic number, because the mean of its divisors is an integer number (50801309370).

Almost surely, 2^{1612841561280} is an apocalyptic number.

1612841561280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612841561280 is an abundant number, since it is smaller than the sum of its proper divisors (4076905088160).

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

1612841561280 is a wasteful number, since it uses less digits than its factorization.

1612841561280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186671503 (or 186671487 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 1612841561280 in words is "one trillion, six hundred twelve billion, eight hundred forty-one million, five hundred sixty-one thousand, two hundred eighty".