91630060 has 24 divisors (see below), whose sum is σ = 193200336. Its totient is φ = 36504000.

The previous prime is 91630043. The next prime is 91630109. The reversal of 91630060 is 6003619.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (8050014).

Almost surely, 2^91630060 is an apocalyptic number.

It is an amenable number.

91630060 is an abundant number, since it is smaller than the sum of its proper divisors (101570276).

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

91630060 is a wasteful number, since it uses less digits than its factorization.

91630060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513 (or 18511 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 91630060 is about 9572.3591658483. The cubic root of 91630060 is about 450.8298432343.

Adding to 91630060 its reverse (6003619), we get a palindrome (97633679).

It can be divided in two parts, 916 and 30060, that added together give a square (30976 = 176²).

The spelling of 91630060 in words is "ninety-one million, six hundred thirty thousand, sixty".