1616360216545 has 8 divisors (see below), whose sum is σ = 1952477507520. Its totient is φ = 1284524674800.

The previous prime is 1616360216543. The next prime is 1616360216579. The reversal of 1616360216545 is 5456120636161.

It is a happy number.

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

It is not a de Polignac number, because 1616360216545 - 2¹ = 1616360216543 is a prime.

It is a super-2 number, since 2×1616360216545² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616360216495 and 1616360216504.

It is not an unprimeable number, because it can be changed into a prime (1616360216543) 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, 1070436475 + ... + 1070437984.

It is an arithmetic number, because the mean of its divisors is an integer number (244059688440).

Almost surely, 2^{1616360216545} is an apocalyptic number.

It is an amenable number.

1616360216545 is a deficient number, since it is larger than the sum of its proper divisors (336117290975).

1616360216545 is a wasteful number, since it uses less digits than its factorization.

1616360216545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140874615.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 1616360216545 in words is "one trillion, six hundred sixteen billion, three hundred sixty million, two hundred sixteen thousand, five hundred forty-five".