1655432443230 has 32 divisors (see below), whose sum is σ = 4012374879648. Its totient is φ = 437077872000.

The previous prime is 1655432443157. The next prime is 1655432443241. The reversal of 1655432443230 is 323442345561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273170641 + ... + 273176700.

It is an arithmetic number, because the mean of its divisors is an integer number (125386714989).

Almost surely, 2^{1655432443230} is an apocalyptic number.

1655432443230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1655432443230 is an abundant number, since it is smaller than the sum of its proper divisors (2356942436418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655432443230 is a wasteful number, since it uses less digits than its factorization.

1655432443230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546347452.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 1655432443230 its reverse (323442345561), we get a palindrome (1978874788791).

The spelling of 1655432443230 in words is "one trillion, six hundred fifty-five billion, four hundred thirty-two million, four hundred forty-three thousand, two hundred thirty".