1655406230241 has 32 divisors (see below), whose sum is σ = 2360948463360. Its totient is φ = 1028087230464.

The previous prime is 1655406230237. The next prime is 1655406230249. The reversal of 1655406230241 is 1420326045561.

It is not a de Polignac number, because 1655406230241 - 2² = 1655406230237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1655406230241.

It is not an unprimeable number, because it can be changed into a prime (1655406230249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4028340 + ... + 4420218.

It is an arithmetic number, because the mean of its divisors is an integer number (73779639480).

Almost surely, 2^{1655406230241} is an apocalyptic number.

It is an amenable number.

1655406230241 is a deficient number, since it is larger than the sum of its proper divisors (705542233119).

1655406230241 is a wasteful number, since it uses less digits than its factorization.

1655406230241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392745.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1655406230241 in words is "one trillion, six hundred fifty-five billion, four hundred six million, two hundred thirty thousand, two hundred forty-one".