98161967 has 4 divisors (see below), whose sum is σ = 98676096. Its totient is φ = 97647840.

The previous prime is 98161909. The next prime is 98161969. The reversal of 98161967 is 76916189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98161967 - 2⁸ = 98161711 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 (98161969) 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, 256778 + ... + 257159.

It is an arithmetic number, because the mean of its divisors is an integer number (24669024).

Almost surely, 2^98161967 is an apocalyptic number.

98161967 is a deficient number, since it is larger than the sum of its proper divisors (514129).

98161967 is a wasteful number, since it uses less digits than its factorization.

98161967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514128.

The product of its digits is 163296, while the sum is 47.

The square root of 98161967 is about 9907.6721282045. The cubic root of 98161967 is about 461.2974821065.

The spelling of 98161967 in words is "ninety-eight million, one hundred sixty-one thousand, nine hundred sixty-seven".