98073572661 has 16 divisors (see below), whose sum is σ = 145300125120. Its totient is φ = 65379707280.

The previous prime is 98073572629. The next prime is 98073572711. The reversal of 98073572661 is 16627537089.

98073572661 is a `hidden beast` number, since 9 + 8 + 0 + 7 + 3 + 572 + 6 + 61 = 666.

It is not a de Polignac number, because 98073572661 - 2⁵ = 98073572629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98073572598 and 98073572607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98073572621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774166 + ... + 891896.

It is an arithmetic number, because the mean of its divisors is an integer number (9081257820).

Almost surely, 2^98073572661 is an apocalyptic number.

It is an amenable number.

98073572661 is a deficient number, since it is larger than the sum of its proper divisors (47226552459).

98073572661 is a wasteful number, since it uses less digits than its factorization.

98073572661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148593 (or 148587 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 98073572661 in words is "ninety-eight billion, seventy-three million, five hundred seventy-two thousand, six hundred sixty-one".