91628233814 has 32 divisors (see below), whose sum is σ = 148834324800. Its totient is φ = 42056036352.

The previous prime is 91628233771. The next prime is 91628233831. The reversal of 91628233814 is 41833282619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14986022 + ... + 14992134.

It is an arithmetic number, because the mean of its divisors is an integer number (4651072650).

Almost surely, 2^91628233814 is an apocalyptic number.

91628233814 is a deficient number, since it is larger than the sum of its proper divisors (57206090986).

91628233814 is a wasteful number, since it uses less digits than its factorization.

91628233814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224.

The product of its digits is 497664, while the sum is 47.

The spelling of 91628233814 in words is "ninety-one billion, six hundred twenty-eight million, two hundred thirty-three thousand, eight hundred fourteen".