103661153 has 2 divisors, whose sum is σ = 103661154. Its totient is φ = 103661152.

The previous prime is 103661149. The next prime is 103661177. The reversal of 103661153 is 351166301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96963409 + 6697744 = 9847^2 + 2588^2 .

It is a cyclic number.

It is not a de Polignac number, because 103661153 - 2² = 103661149 is a prime.

It is not a weakly prime, because it can be changed into another prime (103661113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51830576 + 51830577.

It is an arithmetic number, because the mean of its divisors is an integer number (51830577).

Almost surely, 2^103661153 is an apocalyptic number.

It is an amenable number.

103661153 is a deficient number, since it is larger than the sum of its proper divisors (1).

103661153 is an equidigital number, since it uses as much as digits as its factorization.

103661153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 103661153 is about 10181.4121319196. The cubic root of 103661153 is about 469.7556493547.

The spelling of 103661153 in words is "one hundred three million, six hundred sixty-one thousand, one hundred fifty-three".