1920651120960 has 672 divisors, whose sum is σ = 7259350740096. Its totient is φ = 427360665600.

The previous prime is 1920651120923. The next prime is 1920651120961. The reversal of 1920651120960 is 690211560291.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920651120961) 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, 273320967 + ... + 273327993.

It is an arithmetic number, because the mean of its divisors is an integer number (10802605268).

Almost surely, 2^{1920651120960} is an apocalyptic number.

1920651120960 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 1920651120960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3629675370048).

1920651120960 is an abundant number, since it is smaller than the sum of its proper divisors (5338699619136).

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

1920651120960 is a wasteful number, since it uses less digits than its factorization.

1920651120960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 1920651120960 in words is "one trillion, nine hundred twenty billion, six hundred fifty-one million, one hundred twenty thousand, nine hundred sixty".