1090071065667 has 4 divisors (see below), whose sum is σ = 1453428087560. Its totient is φ = 726714043776.

The previous prime is 1090071065651. The next prime is 1090071065689. The reversal of 1090071065667 is 7665601700901.

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

It is not a de Polignac number, because 1090071065667 - 2⁴ = 1090071065651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090071065627) 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, 181678510942 + ... + 181678510947.

It is an arithmetic number, because the mean of its divisors is an integer number (363357021890).

Almost surely, 2^{1090071065667} is an apocalyptic number.

1090071065667 is a deficient number, since it is larger than the sum of its proper divisors (363357021893).

1090071065667 is an equidigital number, since it uses as much as digits as its factorization.

1090071065667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363357021892.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 1090071065667 in words is "one trillion, ninety billion, seventy-one million, sixty-five thousand, six hundred sixty-seven".