91300197861060 has 192 divisors, whose sum is σ = 273808746731520. Its totient is φ = 22650290380800.

The previous prime is 91300197861001. The next prime is 91300197861083. The reversal of 91300197861060 is 6016879100319.

It is a super-2 number, since 2×91300197861060² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 91300197860994 and 91300197861012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61803126 + ... + 63263154.

It is an arithmetic number, because the mean of its divisors is an integer number (1426087222560).

Almost surely, 2^{91300197861060} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91300197861060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136904373365760).

91300197861060 is an abundant number, since it is smaller than the sum of its proper divisors (182508548870460).

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

91300197861060 is a wasteful number, since it uses less digits than its factorization.

91300197861060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460766 (or 1460764 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 91300197861060 in words is "ninety-one trillion, three hundred billion, one hundred ninety-seven million, eight hundred sixty-one thousand, sixty".