1062161221928 has 64 divisors (see below), whose sum is σ = 2117531322000. Its totient is φ = 498693888000.

The previous prime is 1062161221921. The next prime is 1062161221931. The reversal of 1062161221928 is 8291221612601.

It can be written as a sum of positive squares in 8 ways, for example, as 112397926564 + 949763295364 = 335258^2 + 974558^2 .

It is a super-2 number, since 2×1062161221928² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1062161221921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837878 + ... + 1681178.

Almost surely, 2^{1062161221928} is an apocalyptic number.

It is an amenable number.

1062161221928 is a deficient number, since it is larger than the sum of its proper divisors (1055370100072).

1062161221928 is a wasteful number, since it uses less digits than its factorization.

1062161221928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843486 (or 843482 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 1062161221928 in words is "one trillion, sixty-two billion, one hundred sixty-one million, two hundred twenty-one thousand, nine hundred twenty-eight".