1036622661 has 16 divisors (see below), whose sum is σ = 1430679360. Its totient is φ = 666852480.

The previous prime is 1036622659. The next prime is 1036622681. The reversal of 1036622661 is 1662266301.

It is not a de Polignac number, because 1036622661 - 2¹ = 1036622659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036622681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231201 + ... + 235641.

It is an arithmetic number, because the mean of its divisors is an integer number (89417460).

Almost surely, 2^1036622661 is an apocalyptic number.

It is an amenable number.

1036622661 is a deficient number, since it is larger than the sum of its proper divisors (394056699).

1036622661 is a wasteful number, since it uses less digits than its factorization.

1036622661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1036622661 is about 32196.6249939338. The cubic root of 1036622661 is about 1012.0614892440.

Adding to 1036622661 its reverse (1662266301), we get a palindrome (2698888962).

The spelling of 1036622661 in words is "one billion, thirty-six million, six hundred twenty-two thousand, six hundred sixty-one".