1060649805640 has 32 divisors (see below), whose sum is σ = 2386537949880. Its totient is φ = 424246431232.

The previous prime is 1060649805637. The next prime is 1060649805727. The reversal of 1060649805640 is 465089460601.

It can be written as a sum of positive squares in 4 ways, for example, as 980103960004 + 80545845636 = 990002^2 + 283806^2 .

It is a super-2 number, since 2×1060649805640² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903444 + ... + 1713916.

Almost surely, 2^{1060649805640} is an apocalyptic number.

1060649805640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1060649805640 is an abundant number, since it is smaller than the sum of its proper divisors (1325888144240).

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

1060649805640 is a wasteful number, since it uses less digits than its factorization.

1060649805640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843201 (or 843197 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 1060649805640 in words is "one trillion, sixty billion, six hundred forty-nine million, eight hundred five thousand, six hundred forty".