1669960153 has 2 divisors, whose sum is σ = 1669960154. Its totient is φ = 1669960152.

The previous prime is 1669960151. The next prime is 1669960247. The reversal of 1669960153 is 3510699661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1394798409 + 275161744 = 37347^2 + 16588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669960153 - 2¹ = 1669960151 is a prime.

Together with 1669960151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1669960151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834980076 + 834980077.

It is an arithmetic number, because the mean of its divisors is an integer number (834980077).

Almost surely, 2^1669960153 is an apocalyptic number.

It is an amenable number.

1669960153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669960153 is an equidigital number, since it uses as much as digits as its factorization.

1669960153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1669960153 is about 40865.1459437012. The cubic root of 1669960153 is about 1186.4115596024.

The spelling of 1669960153 in words is "one billion, six hundred sixty-nine million, nine hundred sixty thousand, one hundred fifty-three".