1616426611611 has 16 divisors (see below), whose sum is σ = 2492802488064. Its totient is φ = 912543765984.

The previous prime is 1616426611549. The next prime is 1616426611621. The reversal of 1616426611611 is 1161166246161.

It is not a de Polignac number, because 1616426611611 - 2¹³ = 1616426603419 is a prime.

It is a super-2 number, since 2×1616426611611² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616426611621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463689196 + ... + 463692681.

It is an arithmetic number, because the mean of its divisors is an integer number (155800155504).

Almost surely, 2^{1616426611611} is an apocalyptic number.

1616426611611 is a deficient number, since it is larger than the sum of its proper divisors (876375876453).

1616426611611 is an equidigital number, since it uses as much as digits as its factorization.

1616426611611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927381970.

The product of its digits is 62208, while the sum is 42.

The spelling of 1616426611611 in words is "one trillion, six hundred sixteen billion, four hundred twenty-six million, six hundred eleven thousand, six hundred eleven".