1655555463 has 8 divisors (see below), whose sum is σ = 2452674800. Its totient is φ = 1103703624.

The previous prime is 1655555431. The next prime is 1655555497. The reversal of 1655555463 is 3645555561.

1655555463 is a `hidden beast` number, since 1 + 6 + 55 + 55 + 546 + 3 = 666.

It is not a de Polignac number, because 1655555463 - 2⁵ = 1655555431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655555563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30658408 + ... + 30658461.

It is an arithmetic number, because the mean of its divisors is an integer number (306584350).

Almost surely, 2^1655555463 is an apocalyptic number.

1655555463 is a deficient number, since it is larger than the sum of its proper divisors (797119337).

1655555463 is an equidigital number, since it uses as much as digits as its factorization.

1655555463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61316878 (or 61316872 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

The square root of 1655555463 is about 40688.5175817453. The cubic root of 1655555463 is about 1182.9904669198.

The spelling of 1655555463 in words is "one billion, six hundred fifty-five million, five hundred fifty-five thousand, four hundred sixty-three".