1650928784968 has 32 divisors (see below), whose sum is σ = 3202857028800. Its totient is φ = 796844679232.

The previous prime is 1650928784927. The next prime is 1650928784969. The reversal of 1650928784968 is 8694878290561.

It is a super-2 number, since 2×1650928784968² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1650928784968.

It is not an unprimeable number, because it can be changed into a prime (1650928784969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502821 + ... + 1885387.

It is an arithmetic number, because the mean of its divisors is an integer number (100089282150).

Almost surely, 2^{1650928784968} is an apocalyptic number.

It is an amenable number.

1650928784968 is a deficient number, since it is larger than the sum of its proper divisors (1551928243832).

1650928784968 is a wasteful number, since it uses less digits than its factorization.

1650928784968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387749 (or 1387745 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 73.

The spelling of 1650928784968 in words is "one trillion, six hundred fifty billion, nine hundred twenty-eight million, seven hundred eighty-four thousand, nine hundred sixty-eight".