98375166391 has 4 divisors (see below), whose sum is σ = 98377054984. Its totient is φ = 98373277800.

The previous prime is 98375166377. The next prime is 98375166431. The reversal of 98375166391 is 19366157389.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98375166391 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 (98375166301) 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, 863880 + ... + 971101.

It is an arithmetic number, because the mean of its divisors is an integer number (24594263746).

Almost surely, 2^98375166391 is an apocalyptic number.

98375166391 is a deficient number, since it is larger than the sum of its proper divisors (1888593).

98375166391 is a wasteful number, since it uses less digits than its factorization.

98375166391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888592.

The product of its digits is 7348320, while the sum is 58.

The spelling of 98375166391 in words is "ninety-eight billion, three hundred seventy-five million, one hundred sixty-six thousand, three hundred ninety-one".