1616543320005 has 16 divisors (see below), whose sum is σ = 2873854791360. Its totient is φ = 862156437264.

The previous prime is 1616543319983. The next prime is 1616543320033. The reversal of 1616543320005 is 5000233456161.

1616543320005 is a `hidden beast` number, since 1 + 6 + 16 + 5 + 433 + 200 + 0 + 5 = 666.

It is not a de Polignac number, because 1616543320005 - 2⁷ = 1616543319877 is a prime.

It is a super-2 number, since 2×1616543320005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5987197347 + ... + 5987197616.

It is an arithmetic number, because the mean of its divisors is an integer number (179615924460).

Almost surely, 2^{1616543320005} is an apocalyptic number.

1616543320005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1616543320005 is a deficient number, since it is larger than the sum of its proper divisors (1257311471355).

1616543320005 is a wasteful number, since it uses less digits than its factorization.

1616543320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974394977 (or 11974394971 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 1616543320005 its reverse (5000233456161), we get a palindrome (6616776776166).

The spelling of 1616543320005 in words is "one trillion, six hundred sixteen billion, five hundred forty-three million, three hundred twenty thousand, five".