655143341556 has 48 divisors (see below), whose sum is σ = 1670953148928. Its totient is φ = 198133576800.

The previous prime is 655143341537. The next prime is 655143341569.

655143341556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×655143341556² (a number of 24 digits) contains 22 as substring.

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, 4867210 + ... + 5000001.

It is an arithmetic number, because the mean of its divisors is an integer number (34811523936).

Almost surely, 2^655143341556 is an apocalyptic number.

655143341556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

655143341556 is an abundant number, since it is smaller than the sum of its proper divisors (1015809807372).

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

655143341556 is a wasteful number, since it uses less digits than its factorization.

655143341556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867732 (or 9867730 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

It can be divided in two parts, 655143 and 341556, that added together give a palindrome (996699).

The spelling of 655143341556 in words is "six hundred fifty-five billion, one hundred forty-three million, three hundred forty-one thousand, five hundred fifty-six".