1655190193 has 16 divisors (see below), whose sum is σ = 1834842240. Its totient is φ = 1485133056.

The previous prime is 1655190181. The next prime is 1655190221. The reversal of 1655190193 is 3910915561.

It is not a de Polignac number, because 1655190193 - 2²⁹ = 1118319281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1655160193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113143 + ... + 126931.

It is an arithmetic number, because the mean of its divisors is an integer number (114677640).

Almost surely, 2^1655190193 is an apocalyptic number.

It is an amenable number.

1655190193 is a deficient number, since it is larger than the sum of its proper divisors (179652047).

1655190193 is a wasteful number, since it uses less digits than its factorization.

1655190193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 1655190193 is about 40684.0287213545. The cubic root of 1655190193 is about 1182.9034583154.

The spelling of 1655190193 in words is "one billion, six hundred fifty-five million, one hundred ninety thousand, one hundred ninety-three".