1616005612345 has 8 divisors (see below), whose sum is σ = 1980466452864. Its totient is φ = 1265298011184.

The previous prime is 1616005612327. The next prime is 1616005612387. The reversal of 1616005612345 is 5432165006161.

It is a happy number.

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 1616005612345 - 2⁵ = 1616005612313 is a prime.

It is a super-2 number, since 2×1616005612345² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1616005612298 and 1616005612307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438309579 + ... + 3438310048.

It is an arithmetic number, because the mean of its divisors is an integer number (247558306608).

Almost surely, 2^{1616005612345} is an apocalyptic number.

It is an amenable number.

1616005612345 is a deficient number, since it is larger than the sum of its proper divisors (364460840519).

1616005612345 is an equidigital number, since it uses as much as digits as its factorization.

1616005612345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876619679.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1616005612345 in words is "one trillion, six hundred sixteen billion, five million, six hundred twelve thousand, three hundred forty-five".