1616057350445 has 8 divisors (see below), whose sum is σ = 2053343457144. Its totient is φ = 1216796122624.

The previous prime is 1616057350393. The next prime is 1616057350447. The reversal of 1616057350445 is 5440537506161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 473341248004 + 1142716102441 = 687998^2 + 1068979^2 .

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 1616057350445 - 2⁶ = 1616057350381 is a prime.

It is a super-2 number, since 2×1616057350445² (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 1616057350445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616057350447) 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, 9506219624 + ... + 9506219793.

It is an arithmetic number, because the mean of its divisors is an integer number (256667932143).

Almost surely, 2^{1616057350445} is an apocalyptic number.

It is an amenable number.

1616057350445 is a deficient number, since it is larger than the sum of its proper divisors (437286106699).

1616057350445 is a wasteful number, since it uses less digits than its factorization.

1616057350445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19012439439.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 1616057350445 in words is "one trillion, six hundred sixteen billion, fifty-seven million, three hundred fifty thousand, four hundred forty-five".