1966750464000 has 384 divisors, whose sum is σ = 7478589081600. Its totient is φ = 449541734400.

The previous prime is 1966750463999. The next prime is 1966750464059. The reversal of 1966750464000 is 4640576691.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5193081 + ... + 5558919.

It is an arithmetic number, because the mean of its divisors is an integer number (19475492400).

Almost surely, 2^{1966750464000} is an apocalyptic number.

1966750464000 is a gapful number since it is divisible by the number (10) 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 1966750464000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739294540800).

1966750464000 is an abundant number, since it is smaller than the sum of its proper divisors (5511838617600).

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

1966750464000 is an equidigital number, since it uses as much as digits as its factorization.

1966750464000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365886 (or 365856 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 1966750464000 in words is "one trillion, nine hundred sixty-six billion, seven hundred fifty million, four hundred sixty-four thousand".