98196057541 has 4 divisors (see below), whose sum is σ = 98196722284. Its totient is φ = 98195392800.

The previous prime is 98196057503. The next prime is 98196057593. The reversal of 98196057541 is 14575069189.

It is a happy number.

98196057541 is a nontrivial binomial coefficient, being equal to C(443162, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2185936516 + 96010121025 = 46754^2 + 309855^2 .

It is a 3-Lehmer number, since φ(98196057541) divides (98196057541-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98196057541 is a prime.

It is a deceptive number, since it divides R_98196057540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98196057041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 443161.

It is an arithmetic number, because the mean of its divisors is an integer number (24549180571).

It is a Poulet number, since it divides 2^98196057540-1.

Almost surely, 2^98196057541 is an apocalyptic number.

98196057541 is the 443161-st triangular number and also the 221581-st hexagonal number.

98196057541 is the 147721-st centered nonagonal number.

It is an amenable number.

98196057541 is a deficient number, since it is larger than the sum of its proper divisors (664743).

98196057541 is a wasteful number, since it uses less digits than its factorization.

98196057541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664742.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 98196057541 in words is "ninety-eight billion, one hundred ninety-six million, fifty-seven thousand, five hundred forty-one".