100598000161 has 4 divisors (see below), whose sum is σ = 100765944000. Its totient is φ = 100430056324.

The previous prime is 100598000147. The next prime is 100598000171. The reversal of 100598000161 is 161000895001.

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: 161000895001 = 41281 ⋅3900121.

It is a cyclic number.

It is not a de Polignac number, because 100598000161 - 2⁷ = 100598000033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100598000171) 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, 83971021 + ... + 83972218.

It is an arithmetic number, because the mean of its divisors is an integer number (25191486000).

Almost surely, 2^100598000161 is an apocalyptic number.

100598000161 is the 169536-th centered heptagonal number.

It is an amenable number.

100598000161 is a deficient number, since it is larger than the sum of its proper divisors (167943839).

100598000161 is an equidigital number, since it uses as much as digits as its factorization.

100598000161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167943838.

The product of its (nonzero) digits is 2160, while the sum is 31.

Adding to 100598000161 its reverse (161000895001), we get a palindrome (261598895162).

The spelling of 100598000161 in words is "one hundred billion, five hundred ninety-eight million, one hundred sixty-one", and thus it is an aban number.