98158061 has 4 divisors (see below), whose sum is σ = 98246592. Its totient is φ = 98069532.

The previous prime is 98158057. The next prime is 98158087. The reversal of 98158061 is 16085189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16085189 = 229 ⋅70241.

It is a cyclic number.

It is not a de Polignac number, because 98158061 - 2² = 98158057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98158001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42581 + ... + 44826.

It is an arithmetic number, because the mean of its divisors is an integer number (24561648).

Almost surely, 2^98158061 is an apocalyptic number.

It is an amenable number.

98158061 is a deficient number, since it is larger than the sum of its proper divisors (88531).

98158061 is a wasteful number, since it uses less digits than its factorization.

98158061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88530.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 98158061 is about 9907.4750062768. The cubic root of 98158061 is about 461.2913634711.

The spelling of 98158061 in words is "ninety-eight million, one hundred fifty-eight thousand, sixty-one".