1660554196992 has 384 divisors, whose sum is σ = 5025099643200. Its totient is φ = 541631840256.

The previous prime is 1660554196981. The next prime is 1660554196993. The reversal of 1660554196992 is 2996914550661.

1660554196992 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 554 + 19 + 69 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×1660554196992² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660554196993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2148193918 + ... + 2148194690.

Almost surely, 2^{1660554196992} is an apocalyptic number.

1660554196992 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 1660554196992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512549821600).

1660554196992 is an abundant number, since it is smaller than the sum of its proper divisors (3364545446208).

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

1660554196992 is an equidigital number, since it uses as much as digits as its factorization.

1660554196992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 63.

The spelling of 1660554196992 in words is "one trillion, six hundred sixty billion, five hundred fifty-four million, one hundred ninety-six thousand, nine hundred ninety-two".