1616656005056 has 56 divisors (see below), whose sum is σ = 3293162953920. Its totient is φ = 787163000832.

The previous prime is 1616656005053. The next prime is 1616656005067. The reversal of 1616656005056 is 6505006566161.

It is a super-2 number, since 2×1616656005056² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616656005056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616656005053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820981 + ... + 2559156.

It is an arithmetic number, because the mean of its divisors is an integer number (58806481320).

Almost surely, 2^{1616656005056} is an apocalyptic number.

1616656005056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1616656005056 is an abundant number, since it is smaller than the sum of its proper divisors (1676506948864).

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

1616656005056 is an equidigital number, since it uses as much as digits as its factorization.

1616656005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380301 (or 4380291 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1616656005056 in words is "one trillion, six hundred sixteen billion, six hundred fifty-six million, five thousand, fifty-six".