1655855523480 has 32 divisors (see below), whose sum is σ = 4967566570800. Its totient is φ = 441561472896.

The previous prime is 1655855523473. The next prime is 1655855523607. The reversal of 1655855523480 is 843255585561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1655855523480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6899397895 + ... + 6899398134.

Almost surely, 2^{1655855523480} is an apocalyptic number.

1655855523480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655855523480 is an abundant number, since it is smaller than the sum of its proper divisors (3311711047320).

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

1655855523480 is a wasteful number, since it uses less digits than its factorization.

1655855523480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798796043 (or 13798796039 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 57.

The spelling of 1655855523480 in words is "one trillion, six hundred fifty-five billion, eight hundred fifty-five million, five hundred twenty-three thousand, four hundred eighty".