1655046897 has 16 divisors (see below), whose sum is σ = 2535186432. Its totient is φ = 940787280.

The previous prime is 1655046881. The next prime is 1655046901. The reversal of 1655046897 is 7986405561.

It is not a de Polignac number, because 1655046897 - 2⁴ = 1655046881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1655046697) 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, 202303 + ... + 210324.

It is an arithmetic number, because the mean of its divisors is an integer number (158449152).

Almost surely, 2^1655046897 is an apocalyptic number.

It is an amenable number.

1655046897 is a deficient number, since it is larger than the sum of its proper divisors (880139535).

1655046897 is a wasteful number, since it uses less digits than its factorization.

1655046897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412828.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 1655046897 is about 40682.2675990412. The cubic root of 1655046897 is about 1182.8693212061.

The spelling of 1655046897 in words is "one billion, six hundred fifty-five million, forty-six thousand, eight hundred ninety-seven".