1616564460215 has 8 divisors (see below), whose sum is σ = 1959084059328. Its totient is φ = 1280447096800.

The previous prime is 1616564460211. The next prime is 1616564460221. The reversal of 1616564460215 is 5120644656161.

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

It is not a de Polignac number, because 1616564460215 - 2² = 1616564460211 is a prime.

It is a super-2 number, since 2×1616564460215² (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 1616564460215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616564460211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600558367 + ... + 1600559376.

It is an arithmetic number, because the mean of its divisors is an integer number (244885507416).

Almost surely, 2^{1616564460215} is an apocalyptic number.

1616564460215 is a deficient number, since it is larger than the sum of its proper divisors (342519599113).

1616564460215 is a wasteful number, since it uses less digits than its factorization.

1616564460215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201117849.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 1616564460215 in words is "one trillion, six hundred sixteen billion, five hundred sixty-four million, four hundred sixty thousand, two hundred fifteen".