98681937816001 has 4 divisors (see below), whose sum is σ = 98725467565872. Its totient is φ = 98638408066132.

The previous prime is 98681937815987. The next prime is 98681937816019. The reversal of 98681937816001 is 10061873918689.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 98681937816001 - 2⁵ = 98681937815969 is a prime.

It is a super-2 number, since 2×98681937816001² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98681937816101) 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, 21764871535 + ... + 21764876068.

It is an arithmetic number, because the mean of its divisors is an integer number (24681366891468).

Almost surely, 2^{98681937816001} is an apocalyptic number.

It is an amenable number.

98681937816001 is a deficient number, since it is larger than the sum of its proper divisors (43529749871).

98681937816001 is a wasteful number, since it uses less digits than its factorization.

98681937816001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43529749870.

The product of its (nonzero) digits is 31352832, while the sum is 67.

The spelling of 98681937816001 in words is "ninety-eight trillion, six hundred eighty-one billion, nine hundred thirty-seven million, eight hundred sixteen thousand, one".