255532160642 has 16 divisors (see below), whose sum is σ = 419686510464. Its totient is φ = 115722378000.

The previous prime is 255532160627. The next prime is 255532160713. The reversal of 255532160642 is 246061235552.

It is a self number, because there is not a number n which added to its sum of digits gives 255532160642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21424109 + ... + 21436032.

It is an arithmetic number, because the mean of its divisors is an integer number (26230406904).

Almost surely, 2^255532160642 is an apocalyptic number.

255532160642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255532160642 is a deficient number, since it is larger than the sum of its proper divisors (164154349822).

255532160642 is a wasteful number, since it uses less digits than its factorization.

255532160642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42860425.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 255532160642 in words is "two hundred fifty-five billion, five hundred thirty-two million, one hundred sixty thousand, six hundred forty-two".