91467922050 has 162 divisors, whose sum is σ = 251402546577. Its totient is φ = 23842266240.

The previous prime is 91467922043. The next prime is 91467922057. The reversal of 91467922050 is 5022976419.

It is an interprime number because it is at equal distance from previous prime (91467922043) and next prime (91467922057).

It can be written as a sum of positive squares in 14 ways, for example, as 16530502041 + 74937420009 = 128571^2 + 273747^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=213855.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 91467921987 and 91467922005.

It is not an unprimeable number, because it can be changed into a prime (91467922057) 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 80 ways as a sum of consecutive naturals, for example, 340029316 + ... + 340029584.

Almost surely, 2^91467922050 is an apocalyptic number.

91467922050 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 91467922050

91467922050 is an abundant number, since it is smaller than the sum of its proper divisors (159934624527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91467922050 is a wasteful number, since it uses less digits than its factorization.

91467922050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 91467922050 in words is "ninety-one billion, four hundred sixty-seven million, nine hundred twenty-two thousand, fifty".