1650512083968 has 352 divisors, whose sum is σ = 5516288352000. Its totient is φ = 482905866240.

The previous prime is 1650512083963. The next prime is 1650512083981. The reversal of 1650512083968 is 8693802150561.

1650512083968 is a `hidden beast` number, since 1 + 6 + 505 + 120 + 8 + 3 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650512083963) 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, 8726143 + ... + 8913281.

Almost surely, 2^{1650512083968} is an apocalyptic number.

1650512083968 is a gapful number since it is divisible by the number (18) 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 1650512083968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758144176000).

1650512083968 is an abundant number, since it is smaller than the sum of its proper divisors (3865776268032).

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

1650512083968 is a wasteful number, since it uses less digits than its factorization.

1650512083968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187208 (or 187184 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1650512083968 in words is "one trillion, six hundred fifty billion, five hundred twelve million, eighty-three thousand, nine hundred sixty-eight".