91619003023 has 16 divisors (see below), whose sum is σ = 97515321120. Its totient is φ = 85780187136.

The previous prime is 91619003017. The next prime is 91619003033. The reversal of 91619003023 is 32030091619.

It is a cyclic number.

It is not a de Polignac number, because 91619003023 - 2²¹ = 91616905871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91619003023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91619003033) 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 15 ways as a sum of consecutive naturals, for example, 2536333 + ... + 2572201.

It is an arithmetic number, because the mean of its divisors is an integer number (6094707570).

Almost surely, 2^91619003023 is an apocalyptic number.

91619003023 is a deficient number, since it is larger than the sum of its proper divisors (5896318097).

91619003023 is a wasteful number, since it uses less digits than its factorization.

91619003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36666.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 91619003023 in words is "ninety-one billion, six hundred nineteen million, three thousand, twenty-three".