1655277504345 has 80 divisors (see below), whose sum is σ = 2981586516480. Its totient is φ = 878552770176.

The previous prime is 1655277504317. The next prime is 1655277504359. The reversal of 1655277504345 is 5434057725561.

It is a happy number.

1655277504345 is a `hidden beast` number, since 1 + 6 + 5 + 527 + 75 + 0 + 4 + 3 + 45 = 666.

It is not a de Polignac number, because 1655277504345 - 2⁵ = 1655277504313 is a prime.

It is a super-2 number, since 2×1655277504345² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1655277504291 and 1655277504300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 110661607 + ... + 110676563.

It is an arithmetic number, because the mean of its divisors is an integer number (37269831456).

Almost surely, 2^{1655277504345} is an apocalyptic number.

1655277504345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655277504345 is a deficient number, since it is larger than the sum of its proper divisors (1326309012135).

1655277504345 is a wasteful number, since it uses less digits than its factorization.

1655277504345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16276 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 54.

The spelling of 1655277504345 in words is "one trillion, six hundred fifty-five billion, two hundred seventy-seven million, five hundred four thousand, three hundred forty-five".