11641698 has 16 divisors (see below), whose sum is σ = 25870560. Its totient is φ = 3880548.

The previous prime is 11641697. The next prime is 11641711. The reversal of 11641698 is 89614611.

It is a happy number.

11641698 is a `hidden beast` number, since 1 + 1 + 641 + 6 + 9 + 8 = 666.

It is a super-3 number, since 3×11641698³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11641697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107740 + ... + 107847.

It is an arithmetic number, because the mean of its divisors is an integer number (1616910).

Almost surely, 2^11641698 is an apocalyptic number.

11641698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11641698 is an abundant number, since it is smaller than the sum of its proper divisors (14228862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11641698 is a wasteful number, since it uses less digits than its factorization.

11641698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215598 (or 215592 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11641698 is about 3411.9932590789. The cubic root of 11641698 is about 226.6411558179.

It can be divided in two parts, 116 and 41698, that added together give a palindrome (41814).

The spelling of 11641698 in words is "eleven million, six hundred forty-one thousand, six hundred ninety-eight".