1655023956912 has 480 divisors, whose sum is σ = 5159704043520. Its totient is φ = 492872117760.

The previous prime is 1655023956907. The next prime is 1655023956917. The reversal of 1655023956912 is 2196593205561.

1655023956912 is a `hidden beast` number, since 1 + 6 + 5 + 50 + 23 + 9 + 569 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1655023956907) and next prime (1655023956917).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1655023956917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1824722763 + ... + 1824723669.

It is an arithmetic number, because the mean of its divisors is an integer number (10749383424).

Almost surely, 2^{1655023956912} is an apocalyptic number.

1655023956912 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 1655023956912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579852021760).

1655023956912 is an abundant number, since it is smaller than the sum of its proper divisors (3504680086608).

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

1655023956912 is a wasteful number, since it uses less digits than its factorization.

1655023956912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 1655023956912 in words is "one trillion, six hundred fifty-five billion, twenty-three million, nine hundred fifty-six thousand, nine hundred twelve".