1084652661 has 4 divisors (see below), whose sum is σ = 1446203552. Its totient is φ = 723101772.

The previous prime is 1084652659. The next prime is 1084652689. The reversal of 1084652661 is 1662564801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1084652661 - 2¹ = 1084652659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084652641) 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, 180775441 + ... + 180775446.

It is an arithmetic number, because the mean of its divisors is an integer number (361550888).

Almost surely, 2^1084652661 is an apocalyptic number.

It is an amenable number.

1084652661 is a deficient number, since it is larger than the sum of its proper divisors (361550891).

1084652661 is an equidigital number, since it uses as much as digits as its factorization.

1084652661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361550890.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1084652661 is about 32934.0653579239. The cubic root of 1084652661 is about 1027.4567792808.

The spelling of 1084652661 in words is "one billion, eighty-four million, six hundred fifty-two thousand, six hundred sixty-one".