1613120221641 has 64 divisors (see below), whose sum is σ = 2287502622720. Its totient is φ = 1009556970240.

The previous prime is 1613120221631. The next prime is 1613120221693. The reversal of 1613120221641 is 1461220213161.

It is not a de Polignac number, because 1613120221641 - 2¹⁵ = 1613120188873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1613120221599 and 1613120221608.

It is not an unprimeable number, because it can be changed into a prime (1613120221631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233409976 + ... + 233416886.

It is an arithmetic number, because the mean of its divisors is an integer number (35742228480).

Almost surely, 2^{1613120221641} is an apocalyptic number.

It is an amenable number.

1613120221641 is a deficient number, since it is larger than the sum of its proper divisors (674382401079).

1613120221641 is a wasteful number, since it uses less digits than its factorization.

1613120221641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1613120221641 in words is "one trillion, six hundred thirteen billion, one hundred twenty million, two hundred twenty-one thousand, six hundred forty-one".