1662663255 has 32 divisors (see below), whose sum is σ = 2916891648. Its totient is φ = 802032000.

The previous prime is 1662663253. The next prime is 1662663287. The reversal of 1662663255 is 5523662661.

It is not a de Polignac number, because 1662663255 - 2¹ = 1662663253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662663253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6930 + ... + 58080.

It is an arithmetic number, because the mean of its divisors is an integer number (91152864).

Almost surely, 2^1662663255 is an apocalyptic number.

1662663255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1662663255 is a deficient number, since it is larger than the sum of its proper divisors (1254228393).

1662663255 is a wasteful number, since it uses less digits than its factorization.

1662663255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51367.

The product of its digits is 388800, while the sum is 42.

The square root of 1662663255 is about 40775.7679878626. The cubic root of 1662663255 is about 1184.6810265051.

The spelling of 1662663255 in words is "one billion, six hundred sixty-two million, six hundred sixty-three thousand, two hundred fifty-five".