1067365861956 has 81 divisors (see below), whose sum is σ = 2711116238103. Its totient is φ = 354075684480.

The previous prime is 1067365861943. The next prime is 1067365861973. The reversal of 1067365861956 is 6591685637601.

The square root of 1067365861956 is 1033134.

It is a perfect power (a square), and thus also a powerful number.

1067365861956 is a `hidden beast` number, since 1 + 0 + 6 + 7 + 3 + 6 + 5 + 8 + 619 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54927421956 + 1012438440000 = 234366^2 + 1006200^2 .

It is a super-2 number, since 2×1067365861956² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067365861893 and 1067365861902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2535310626 + ... + 2535311046.

Almost surely, 2^{1067365861956} is an apocalyptic number.

1067365861956 is the 1033134-th square number.

It is an amenable number.

1067365861956 is an abundant number, since it is smaller than the sum of its proper divisors (1643750376147).

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

1067365861956 is an frugal number, since it uses more digits than its factorization.

1067365861956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

It can be divided in two parts, 1067365 and 861956, that added together give a square (1929321 = 1389²).

The spelling of 1067365861956 in words is "one trillion, sixty-seven billion, three hundred sixty-five million, eight hundred sixty-one thousand, nine hundred fifty-six".