1655001327 has 16 divisors (see below), whose sum is σ = 2654639360. Its totient is φ = 895940352.

The previous prime is 1655001269. The next prime is 1655001331. The reversal of 1655001327 is 7231005561.

It is not a de Polignac number, because 1655001327 - 2¹⁹ = 1654477039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1655001294 and 1655001303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655011327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073538 + ... + 2074335.

It is an arithmetic number, because the mean of its divisors is an integer number (165914960).

Almost surely, 2^1655001327 is an apocalyptic number.

1655001327 is a deficient number, since it is larger than the sum of its proper divisors (999638033).

1655001327 is a wasteful number, since it uses less digits than its factorization.

1655001327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147902.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1655001327 is about 40681.7075231608. The cubic root of 1655001327 is about 1182.8584647464.

Adding to 1655001327 its reverse (7231005561), we get a palindrome (8886006888).

The spelling of 1655001327 in words is "one billion, six hundred fifty-five million, one thousand, three hundred twenty-seven".