1655055651 has 8 divisors (see below), whose sum is σ = 2260563984. Its totient is φ = 1076458880.

The previous prime is 1655055631. The next prime is 1655055713. The reversal of 1655055651 is 1565505561.

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

It is a cyclic number.

It is not a de Polignac number, because 1655055651 - 2⁹ = 1655055139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1655055601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6727746 + ... + 6727991.

It is an arithmetic number, because the mean of its divisors is an integer number (282570498).

Almost surely, 2^1655055651 is an apocalyptic number.

1655055651 is a deficient number, since it is larger than the sum of its proper divisors (605508333).

1655055651 is a wasteful number, since it uses less digits than its factorization.

1655055651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455781.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 1655055651 is about 40682.3751887719. The cubic root of 1655055651 is about 1182.8714067099.

The spelling of 1655055651 in words is "one billion, six hundred fifty-five million, fifty-five thousand, six hundred fifty-one".