1655610455 has 8 divisors (see below), whose sum is σ = 2019302304. Its totient is φ = 1302775200.

The previous prime is 1655610443. The next prime is 1655610457. The reversal of 1655610455 is 5540165561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1655610455 - 2¹⁴ = 1655594071 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 (1655610457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713811 + ... + 2714420.

It is an arithmetic number, because the mean of its divisors is an integer number (252412788).

Almost surely, 2^1655610455 is an apocalyptic number.

1655610455 is a deficient number, since it is larger than the sum of its proper divisors (363691849).

1655610455 is an equidigital number, since it uses as much as digits as its factorization.

1655610455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428297.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 1655610455 is about 40689.1933441792. The cubic root of 1655610455 is about 1183.0035651000.

The spelling of 1655610455 in words is "one billion, six hundred fifty-five million, six hundred ten thousand, four hundred fifty-five".