8011641 has 16 divisors (see below), whose sum is σ = 12339648. Its totient is φ = 4569600.

The previous prime is 8011621. The next prime is 8011643. The reversal of 8011641 is 1461108.

It is not a de Polignac number, because 8011641 - 2¹¹ = 8009593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8011643) 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, 6580 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (771228).

Almost surely, 2^8011641 is an apocalyptic number.

It is an amenable number.

8011641 is a deficient number, since it is larger than the sum of its proper divisors (4328007).

8011641 is a wasteful number, since it uses less digits than its factorization.

8011641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 8011641 is about 2830.4842341903. The cubic root of 8011641 is about 200.0969613183.

Adding to 8011641 its reverse (1461108), we get a palindrome (9472749).

It can be divided in two parts, 801 and 1641, that added together give a palindrome (2442).

The spelling of 8011641 in words is "eight million, eleven thousand, six hundred forty-one".