2011161427669 has 16 divisors (see below), whose sum is σ = 2109600806400. Its totient is φ = 1913655458176.

The previous prime is 2011161427663. The next prime is 2011161427687. The reversal of 2011161427669 is 9667241611102.

It is a cyclic number.

It is not a de Polignac number, because 2011161427669 - 2²³ = 2011153039061 is a prime.

It is a super-2 number, since 2×2011161427669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011161427663) 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, 5046687 + ... + 5430595.

It is an arithmetic number, because the mean of its divisors is an integer number (131850050400).

Almost surely, 2^{2011161427669} is an apocalyptic number.

It is an amenable number.

2011161427669 is a deficient number, since it is larger than the sum of its proper divisors (98439378731).

2011161427669 is a wasteful number, since it uses less digits than its factorization.

2011161427669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385124.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 2011161427669 in words is "two trillion, eleven billion, one hundred sixty-one million, four hundred twenty-seven thousand, six hundred sixty-nine".