91630154 has 24 divisors (see below), whose sum is σ = 172661664. Its totient is φ = 35699400.

The previous prime is 91630151. The next prime is 91630159. The reversal of 91630154 is 45103619.

It is not an unprimeable number, because it can be changed into a prime (91630151) 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 11 ways as a sum of consecutive naturals, for example, 25352 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (7194236).

Almost surely, 2^91630154 is an apocalyptic number.

91630154 is a deficient number, since it is larger than the sum of its proper divisors (81031510).

91630154 is a wasteful number, since it uses less digits than its factorization.

91630154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54122 (or 54111 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 91630154 is about 9572.3640758174. The cubic root of 91630154 is about 450.8299973976.

The spelling of 91630154 in words is "ninety-one million, six hundred thirty thousand, one hundred fifty-four".