198531650695876 has 27 divisors (see below), whose sum is σ = 349369474540653. Its totient is φ = 98714859150960.

The previous prime is 198531650695843. The next prime is 198531650695897. The reversal of 198531650695876 is 678596056135891.

The square root of 198531650695876 is 14090126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2187659897476 + 196343990798400 = 1479074^2 + 14012280^2 .

It is a super-4 number, since 4×198531650695876⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198531650695796 and 198531650695805.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5100606151 + ... + 5100645073.

Almost surely, 2^{198531650695876} is an apocalyptic number.

198531650695876 is the 14090126-th square number.

It is an amenable number.

198531650695876 is a deficient number, since it is larger than the sum of its proper divisors (150837823844777).

198531650695876 is an frugal number, since it uses more digits than its factorization.

198531650695876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78212 (or 39106 counting only the distinct ones).

The product of its (nonzero) digits is 2939328000, while the sum is 79.

The spelling of 198531650695876 in words is "one hundred ninety-eight trillion, five hundred thirty-one billion, six hundred fifty million, six hundred ninety-five thousand, eight hundred seventy-six".