1616106631611 has 16 divisors (see below), whose sum is σ = 2268514909440. Its totient is φ = 1020566141280.

The previous prime is 1616106631603. The next prime is 1616106631619. The reversal of 1616106631611 is 1161366016161.

It is an interprime number because it is at equal distance from previous prime (1616106631603) and next prime (1616106631619).

It is not a de Polignac number, because 1616106631611 - 2³ = 1616106631603 is a prime.

It is a super-2 number, since 2×1616106631611² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616106631611.

It is not an unprimeable number, because it can be changed into a prime (1616106631619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401300 + ... + 2279441.

It is an arithmetic number, because the mean of its divisors is an integer number (141782181840).

Almost surely, 2^{1616106631611} is an apocalyptic number.

1616106631611 is a deficient number, since it is larger than the sum of its proper divisors (652408277829).

1616106631611 is a wasteful number, since it uses less digits than its factorization.

1616106631611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688466.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 1616106631611 in words is "one trillion, six hundred sixteen billion, one hundred six million, six hundred thirty-one thousand, six hundred eleven".