103198066 has 16 divisors (see below), whose sum is σ = 164044440. Its totient is φ = 48603520.

The previous prime is 103198061. The next prime is 103198087. The reversal of 103198066 is 660891301.

It can be written as a sum of positive squares in 4 ways, for example, as 86099841 + 17098225 = 9279^2 + 4135^2 .

It is a super-2 number, since 2×103198066² = 21299681652280712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103198061) 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, 19321 + ... + 24076.

Almost surely, 2^103198066 is an apocalyptic number.

103198066 is a deficient number, since it is larger than the sum of its proper divisors (60846374).

103198066 is a wasteful number, since it uses less digits than its factorization.

103198066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43469.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 103198066 is about 10158.6448899447. The cubic root of 103198066 is about 469.0550896595.

The spelling of 103198066 in words is "one hundred three million, one hundred ninety-eight thousand, sixty-six".