10774238661986 has 8 divisors (see below), whose sum is σ = 16161533492844. Its totient is φ = 5387060831040.

The previous prime is 10774238661983. The next prime is 10774238662007. The reversal of 10774238661986 is 68916683247701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10507523223961 + 266715438025 = 3241531^2 + 516445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10774238661986² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10774238661983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29019395 + ... + 29388326.

Almost surely, 2^{10774238661986} is an apocalyptic number.

10774238661986 is a deficient number, since it is larger than the sum of its proper divisors (5387294830858).

10774238661986 is an equidigital number, since it uses as much as digits as its factorization.

10774238661986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58499956.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 10774238661986 in words is "ten trillion, seven hundred seventy-four billion, two hundred thirty-eight million, six hundred sixty-one thousand, nine hundred eighty-six".