91163741 has 16 divisors (see below), whose sum is σ = 99335808. Its totient is φ = 83328000.

The previous prime is 91163687. The next prime is 91163771. The reversal of 91163741 is 14736119.

It is a cyclic number.

It is not a de Polignac number, because 91163741 - 2¹⁰ = 91162717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91163698 and 91163707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91163771) 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, 227141 + ... + 227541.

It is an arithmetic number, because the mean of its divisors is an integer number (6208488).

Almost surely, 2^91163741 is an apocalyptic number.

It is an amenable number.

91163741 is a deficient number, since it is larger than the sum of its proper divisors (8172067).

91163741 is a wasteful number, since it uses less digits than its factorization.

91163741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 4536, while the sum is 32.

The square root of 91163741 is about 9547.9705173403. The cubic root of 91163741 is about 450.0637621583.

The spelling of 91163741 in words is "ninety-one million, one hundred sixty-three thousand, seven hundred forty-one".