1616536346553 has 8 divisors (see below), whose sum is σ = 2394868661600. Its totient is φ = 1077690897684.

The previous prime is 1616536346549. The next prime is 1616536346567. The reversal of 1616536346553 is 3556436356161.

1616536346553 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 53 + 6 + 34 + 6 + 553 = 666.

It is not a de Polignac number, because 1616536346553 - 2² = 1616536346549 is a prime.

It is a super-2 number, since 2×1616536346553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1616536346553.

It is not an unprimeable number, because it can be changed into a prime (1616536346543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29935858243 + ... + 29935858296.

It is an arithmetic number, because the mean of its divisors is an integer number (299358582700).

Almost surely, 2^{1616536346553} is an apocalyptic number.

It is an amenable number.

1616536346553 is a deficient number, since it is larger than the sum of its proper divisors (778332315047).

1616536346553 is an equidigital number, since it uses as much as digits as its factorization.

1616536346553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59871716548 (or 59871716542 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 54.

The spelling of 1616536346553 in words is "one trillion, six hundred sixteen billion, five hundred thirty-six million, three hundred forty-six thousand, five hundred fifty-three".