1620067644341 has 16 divisors (see below), whose sum is σ = 1749065996160. Its totient is φ = 1495965683520.

The previous prime is 1620067644331. The next prime is 1620067644379. The reversal of 1620067644341 is 1434467600261.

It is not a de Polignac number, because 1620067644341 - 2⁶ = 1620067644277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1620067644292 and 1620067644301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620067644331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260566 + ... + 4625208.

It is an arithmetic number, because the mean of its divisors is an integer number (109316624760).

Almost surely, 2^{1620067644341} is an apocalyptic number.

It is an amenable number.

1620067644341 is a deficient number, since it is larger than the sum of its proper divisors (128998351819).

1620067644341 is a wasteful number, since it uses less digits than its factorization.

1620067644341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371356.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 1620067644341 in words is "one trillion, six hundred twenty billion, sixty-seven million, six hundred forty-four thousand, three hundred forty-one".