98378166361 has 8 divisors (see below), whose sum is σ = 99061344200. Its totient is φ = 97696523520.

The previous prime is 98378166329. The next prime is 98378166377. The reversal of 98378166361 is 16366187389.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 211877136 + 98166289225 = 14556^2 + 313315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98378166361 - 2⁵ = 98378166329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98378166296 and 98378166305.

It is not an unprimeable number, because it can be changed into a prime (98378566361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254976 + ... + 511633.

It is an arithmetic number, because the mean of its divisors is an integer number (12382668025).

Almost surely, 2^98378166361 is an apocalyptic number.

It is an amenable number.

98378166361 is a deficient number, since it is larger than the sum of its proper divisors (683177839).

98378166361 is a wasteful number, since it uses less digits than its factorization.

98378166361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767499.

The product of its digits is 7838208, while the sum is 58.

The spelling of 98378166361 in words is "ninety-eight billion, three hundred seventy-eight million, one hundred sixty-six thousand, three hundred sixty-one".