91612629 has 24 divisors (see below), whose sum is σ = 137276672. Its totient is φ = 58825440.

The previous prime is 91612601. The next prime is 91612639. The reversal of 91612629 is 92621619.

91612629 is a `hidden beast` number, since 9 + 16 + 12 + 629 = 666.

It is not a de Polignac number, because 91612629 - 2⁵ = 91612597 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91612593 and 91612602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91612639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32964 + ... + 35634.

Almost surely, 2^91612629 is an apocalyptic number.

It is an amenable number.

91612629 is a deficient number, since it is larger than the sum of its proper divisors (45664043).

91612629 is a wasteful number, since it uses less digits than its factorization.

91612629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2814 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 91612629 is about 9571.4486364395. The cubic root of 91612629 is about 450.8012539505.

The spelling of 91612629 in words is "ninety-one million, six hundred twelve thousand, six hundred twenty-nine".