11658361 has 8 divisors (see below), whose sum is σ = 13696704. Its totient is φ = 9783120.

The previous prime is 11658359. The next prime is 11658373. The reversal of 11658361 is 16385611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11658361 - 2¹ = 11658359 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (11658301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40621 + ... + 40906.

It is an arithmetic number, because the mean of its divisors is an integer number (1712088).

Almost surely, 2^11658361 is an apocalyptic number.

11658361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11658361 is a deficient number, since it is larger than the sum of its proper divisors (2038343).

11658361 is a wasteful number, since it uses less digits than its factorization.

11658361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81551.

The product of its digits is 4320, while the sum is 31.

The square root of 11658361 is about 3414.4342137461. The cubic root of 11658361 is about 226.7492363060.

The spelling of 11658361 in words is "eleven million, six hundred fifty-eight thousand, three hundred sixty-one".