3155420198 has 16 divisors (see below), whose sum is σ = 5485480704. Its totient is φ = 1333275720.

The previous prime is 3155420189. The next prime is 3155420221. The reversal of 3155420198 is 8910245513.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586240 + ... + 1588227.

It is an arithmetic number, because the mean of its divisors is an integer number (342842544).

Almost surely, 2^3155420198 is an apocalyptic number.

3155420198 is a deficient number, since it is larger than the sum of its proper divisors (2330060506).

3155420198 is a wasteful number, since it uses less digits than its factorization.

3155420198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174547.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 3155420198 is about 56173.1270092737. The cubic root of 3155420198 is about 1466.7375157809.

The spelling of 3155420198 in words is "three billion, one hundred fifty-five million, four hundred twenty thousand, one hundred ninety-eight".