1090164655 has 4 divisors (see below), whose sum is σ = 1308197592. Its totient is φ = 872131720.

The previous prime is 1090164643. The next prime is 1090164659. The reversal of 1090164655 is 5564610901.

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

It is not a de Polignac number, because 1090164655 - 2⁵ = 1090164623 is a prime.

It is a super-2 number, since 2×1090164655² = 2376917950022538050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090164659) 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, 109016461 + ... + 109016470.

It is an arithmetic number, because the mean of its divisors is an integer number (327049398).

Almost surely, 2^1090164655 is an apocalyptic number.

1090164655 is a deficient number, since it is larger than the sum of its proper divisors (218032937).

1090164655 is an equidigital number, since it uses as much as digits as its factorization.

1090164655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218032936.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1090164655 is about 33017.6415723474. The cubic root of 1090164655 is about 1029.1942845902.

The spelling of 1090164655 in words is "one billion, ninety million, one hundred sixty-four thousand, six hundred fifty-five".