91966156 has 24 divisors (see below), whose sum is σ = 171102960. Its totient is φ = 43128000.

The previous prime is 91966151. The next prime is 91966177. The reversal of 91966156 is 65166919.

It is a super-3 number, since 3×91966156³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91966151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686 + ... + 13666.

It is an arithmetic number, because the mean of its divisors is an integer number (7129290).

Almost surely, 2^91966156 is an apocalyptic number.

It is an amenable number.

91966156 is a deficient number, since it is larger than the sum of its proper divisors (79136804).

91966156 is a wasteful number, since it uses less digits than its factorization.

91966156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105 (or 12103 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 91966156 is about 9589.8986438857. The cubic root of 91966156 is about 451.3803802678.

It can be divided in two parts, 9196 and 6156, that multiplied together give a square (56610576 = 7524²).

The spelling of 91966156 in words is "ninety-one million, nine hundred sixty-six thousand, one hundred fifty-six".