91656342 has 48 divisors (see below), whose sum is σ = 210000960. Its totient is φ = 28811376.

The previous prime is 91656317. The next prime is 91656347. The reversal of 91656342 is 24365619.

It is a happy number.

91656342 is a `hidden beast` number, since 9 + 16 + 5 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 91656297 and 91656306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91656347) 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 23 ways as a sum of consecutive naturals, for example, 96313 + ... + 97259.

It is an arithmetic number, because the mean of its divisors is an integer number (4375020).

Almost surely, 2^91656342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91656342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105000480).

91656342 is an abundant number, since it is smaller than the sum of its proper divisors (118344618).

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

91656342 is a wasteful number, since it uses less digits than its factorization.

91656342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 91656342 is about 9573.7318742484. The cubic root of 91656342 is about 450.8729425450.

The spelling of 91656342 in words is "ninety-one million, six hundred fifty-six thousand, three hundred forty-two".