91960562500 has 63 divisors (see below), whose sum is σ = 201327130011. Its totient is φ = 36753900000.

The previous prime is 91960562489. The next prime is 91960562531. The reversal of 91960562500 is 526506919.

The square root of 91960562500 is 303250.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 26203191876 + 65757370624 = 161874^2 + 256432^2 .

It is a super-3 number, since 3×91960562500³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 20 ways as a sum of consecutive naturals, for example, 75811894 + ... + 75813106.

Almost surely, 2^91960562500 is an apocalyptic number.

91960562500 is the 303250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91960562500

91960562500 is an abundant number, since it is smaller than the sum of its proper divisors (109366567511).

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

91960562500 is an frugal number, since it uses more digits than its factorization.

91960562500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 91960562500 in words is "ninety-one billion, nine hundred sixty million, five hundred sixty-two thousand, five hundred".