1616360216355 has 48 divisors (see below), whose sum is σ = 2811018600000. Its totient is φ = 859193008128.

The previous prime is 1616360216329. The next prime is 1616360216431. The reversal of 1616360216355 is 5536120636161.

It is a happy number.

1616360216355 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 3 + 6 + 0 + 2 + 1 + 635 + 5 = 666.

It is not a de Polignac number, because 1616360216355 - 2⁵ = 1616360216323 is a prime.

It is a super-2 number, since 2×1616360216355² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1616360216355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18524871 + ... + 18611919.

It is an arithmetic number, because the mean of its divisors is an integer number (58562887500).

Almost surely, 2^{1616360216355} is an apocalyptic number.

1616360216355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1616360216355 is a deficient number, since it is larger than the sum of its proper divisors (1194658383645).

1616360216355 is a wasteful number, since it uses less digits than its factorization.

1616360216355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88428 (or 88425 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 1616360216355 in words is "one trillion, six hundred sixteen billion, three hundred sixty million, two hundred sixteen thousand, three hundred fifty-five".