91616104 has 16 divisors (see below), whose sum is σ = 177704100. Its totient is φ = 44228352.

The previous prime is 91616093. The next prime is 91616137. The reversal of 91616104 is 40161619.

It can be written as a sum of positive squares in 2 ways, for example, as 82628100 + 8988004 = 9090^2 + 2998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197217 + ... + 197680.

Almost surely, 2^91616104 is an apocalyptic number.

It is an amenable number.

91616104 is a deficient number, since it is larger than the sum of its proper divisors (86087996).

91616104 is a wasteful number, since it uses less digits than its factorization.

91616104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394932 (or 394928 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 91616104 is about 9571.6301641883. The cubic root of 91616104 is about 450.8069537271.

It can be divided in two parts, 916 and 16104, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 91616104 in words is "ninety-one million, six hundred sixteen thousand, one hundred four".