1653161647 has 2 divisors, whose sum is σ = 1653161648. Its totient is φ = 1653161646.

The previous prime is 1653161603. The next prime is 1653161669. The reversal of 1653161647 is 7461613561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1653161647 - 2¹⁵ = 1653128879 is a prime.

It is a super-2 number, since 2×1653161647² = 5465886862223505218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653161947) 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 as a sum of consecutive naturals, namely, 826580823 + 826580824.

It is an arithmetic number, because the mean of its divisors is an integer number (826580824).

Almost surely, 2^1653161647 is an apocalyptic number.

1653161647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653161647 is an equidigital number, since it uses as much as digits as its factorization.

1653161647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 1653161647 is about 40659.0905825499. The cubic root of 1653161647 is about 1182.4200183989.

The spelling of 1653161647 in words is "one billion, six hundred fifty-three million, one hundred sixty-one thousand, six hundred forty-seven".