1655016089 has 2 divisors, whose sum is σ = 1655016090. Its totient is φ = 1655016088.

The previous prime is 1655016059. The next prime is 1655016119. The reversal of 1655016089 is 9806105561.

It is a balanced prime because it is at equal distance from previous prime (1655016059) and next prime (1655016119).

It can be written as a sum of positive squares in only one way, i.e., 1316456089 + 338560000 = 36283^2 + 18400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655016089 - 2⁸ = 1655015833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1655016059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827508044 + 827508045.

It is an arithmetic number, because the mean of its divisors is an integer number (827508045).

Almost surely, 2^1655016089 is an apocalyptic number.

It is an amenable number.

1655016089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655016089 is an equidigital number, since it uses as much as digits as its factorization.

1655016089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 1655016089 is about 40681.8889556520. Note that the first 3 decimals coincide. The cubic root of 1655016089 is about 1182.8619816227.

The spelling of 1655016089 in words is "one billion, six hundred fifty-five million, sixteen thousand, eighty-nine".