1607144653 has 2 divisors, whose sum is σ = 1607144654. Its totient is φ = 1607144652.

The previous prime is 1607144639. The next prime is 1607144677. The reversal of 1607144653 is 3564417061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933119209 + 674025444 = 30547^2 + 25962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1607144653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1607144603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803572326 + 803572327.

It is an arithmetic number, because the mean of its divisors is an integer number (803572327).

Almost surely, 2^1607144653 is an apocalyptic number.

It is an amenable number.

1607144653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607144653 is an equidigital number, since it uses as much as digits as its factorization.

1607144653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1607144653 is about 40089.2086851312. The cubic root of 1607144653 is about 1171.3454347241.

The spelling of 1607144653 in words is "one billion, six hundred seven million, one hundred forty-four thousand, six hundred fifty-three".