1620053552433 has 8 divisors (see below), whose sum is σ = 2196682783200. Its totient is φ = 1061730011648.

The previous prime is 1620053552399. The next prime is 1620053552479. The reversal of 1620053552433 is 3342553500261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1620053552433 - 2¹⁶ = 1620053486897 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1620053552391 and 1620053552400.

It is not an unprimeable number, because it can be changed into a prime (1620053552233) 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 7 ways as a sum of consecutive naturals, for example, 4576422288 + ... + 4576422641.

It is an arithmetic number, because the mean of its divisors is an integer number (274585347900).

Almost surely, 2^{1620053552433} is an apocalyptic number.

It is an amenable number.

1620053552433 is a deficient number, since it is larger than the sum of its proper divisors (576629230767).

1620053552433 is an equidigital number, since it uses as much as digits as its factorization.

1620053552433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152844991.

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 1620053552433 in words is "one trillion, six hundred twenty billion, fifty-three million, five hundred fifty-two thousand, four hundred thirty-three".