1089354166757 has 4 divisors (see below), whose sum is σ = 1089671488620. Its totient is φ = 1089036844896.

The previous prime is 1089354166727. The next prime is 1089354166799. The reversal of 1089354166757 is 7576614539801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446456494276 + 642897672481 = 668174^2 + 801809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089354166757 - 2²² = 1089349972453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089354166757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089354166717) 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, 158655782 + ... + 158662647.

It is an arithmetic number, because the mean of its divisors is an integer number (272417872155).

Almost surely, 2^{1089354166757} is an apocalyptic number.

It is an amenable number.

1089354166757 is a deficient number, since it is larger than the sum of its proper divisors (317321863).

1089354166757 is an equidigital number, since it uses as much as digits as its factorization.

1089354166757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317321862.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 1089354166757 in words is "one trillion, eighty-nine billion, three hundred fifty-four million, one hundred sixty-six thousand, seven hundred fifty-seven".