1655453460405 has 32 divisors (see below), whose sum is σ = 2794154250240. Its totient is φ = 834633011520.

The previous prime is 1655453460371. The next prime is 1655453460433. The reversal of 1655453460405 is 5040643545561.

It is a happy number.

It is not a de Polignac number, because 1655453460405 - 2⁹ = 1655453459893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6140841 + ... + 6404750.

It is an arithmetic number, because the mean of its divisors is an integer number (87317320320).

Almost surely, 2^{1655453460405} is an apocalyptic number.

1655453460405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655453460405 is a deficient number, since it is larger than the sum of its proper divisors (1138700789835).

1655453460405 is a wasteful number, since it uses less digits than its factorization.

1655453460405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546081.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 1655453460405 in words is "one trillion, six hundred fifty-five billion, four hundred fifty-three million, four hundred sixty thousand, four hundred five".