1655608937472 has 1056 divisors, whose sum is σ = 5888379893760. Its totient is φ = 454825082880.

The previous prime is 1655608937419. The next prime is 1655608937497. The reversal of 1655608937472 is 2747398065561.

1655608937472 is a `hidden beast` number, since 1 + 6 + 5 + 56 + 0 + 89 + 37 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6927233929 + ... + 6927234167.

It is a 1-persistent number, because it is pandigital, but 2⋅1655608937472 = 3311217874944 is not.

Almost surely, 2^{1655608937472} is an apocalyptic number.

1655608937472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655608937472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2944189946880).

1655608937472 is an abundant number, since it is smaller than the sum of its proper divisors (4232770956288).

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

1655608937472 is an equidigital number, since it uses as much as digits as its factorization.

1655608937472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 1655608937472 in words is "one trillion, six hundred fifty-five billion, six hundred eight million, nine hundred thirty-seven thousand, four hundred seventy-two".