1616405534443 has 64 divisors (see below), whose sum is σ = 2011844044800. Its totient is φ = 1267959813120.

The previous prime is 1616405534417. The next prime is 1616405534501. The reversal of 1616405534443 is 3444355046161.

It is not a de Polignac number, because 1616405534443 - 2³³ = 1607815599851 is a prime.

It is a super-2 number, since 2×1616405534443² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616405534393 and 1616405534402.

It is not an unprimeable number, because it can be changed into a prime (1616405534743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 476954793 + ... + 476958181.

It is an arithmetic number, because the mean of its divisors is an integer number (31435063200).

Almost surely, 2^{1616405534443} is an apocalyptic number.

1616405534443 is a deficient number, since it is larger than the sum of its proper divisors (395438510357).

1616405534443 is a wasteful number, since it uses less digits than its factorization.

1616405534443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 1616405534443 in words is "one trillion, six hundred sixteen billion, four hundred five million, five hundred thirty-four thousand, four hundred forty-three".