91516249629 has 32 divisors (see below), whose sum is σ = 155016807680. Its totient is φ = 52271827200.

The previous prime is 91516249619. The next prime is 91516249637. The reversal of 91516249629 is 92694261519.

91516249629 is a `hidden beast` number, since 9 + 1 + 5 + 1 + 6 + 2 + 4 + 9 + 629 = 666.

It is not a de Polignac number, because 91516249629 - 2⁴ = 91516249613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91516249619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324969 + ... + 537249.

It is an arithmetic number, because the mean of its divisors is an integer number (4844275240).

Almost surely, 2^91516249629 is an apocalyptic number.

It is an amenable number.

91516249629 is a deficient number, since it is larger than the sum of its proper divisors (63500558051).

91516249629 is a wasteful number, since it uses less digits than its factorization.

91516249629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214578 (or 214572 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 91516249629 in words is "ninety-one billion, five hundred sixteen million, two hundred forty-nine thousand, six hundred twenty-nine".