7161266153 has 2 divisors, whose sum is σ = 7161266154. Its totient is φ = 7161266152.

The previous prime is 7161266149. The next prime is 7161266159. The reversal of 7161266153 is 3516621617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6822264409 + 339001744 = 82597^2 + 18412^2 .

It is a cyclic number.

It is not a de Polignac number, because 7161266153 - 2² = 7161266149 is a prime.

It is not a weakly prime, because it can be changed into another prime (7161266159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580633076 + 3580633077.

It is an arithmetic number, because the mean of its divisors is an integer number (3580633077).

Almost surely, 2^7161266153 is an apocalyptic number.

It is an amenable number.

7161266153 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161266153 is an equidigital number, since it uses as much as digits as its factorization.

7161266153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 7161266153 is about 84624.2645640126. The cubic root of 7161266153 is about 1927.5098450423.

The spelling of 7161266153 in words is "seven billion, one hundred sixty-one million, two hundred sixty-six thousand, one hundred fifty-three".