7153162661 has 4 divisors (see below), whose sum is σ = 7153495212. Its totient is φ = 7152830112.

The previous prime is 7153162657. The next prime is 7153162669. The reversal of 7153162661 is 1662613517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1662613517 = 587 ⋅2832391.

It can be written as a sum of positive squares in 2 ways, for example, as 619512100 + 6533650561 = 24890^2 + 80831^2 .

It is a cyclic number.

It is not a de Polignac number, because 7153162661 - 2² = 7153162657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7153162669) 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 in 3 ways as a sum of consecutive naturals, for example, 131600 + ... + 177833.

It is an arithmetic number, because the mean of its divisors is an integer number (1788373803).

Almost surely, 2^7153162661 is an apocalyptic number.

It is an amenable number.

7153162661 is a deficient number, since it is larger than the sum of its proper divisors (332551).

7153162661 is a wasteful number, since it uses less digits than its factorization.

7153162661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332550.

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

The square root of 7153162661 is about 84576.3717654050. The cubic root of 7153162661 is about 1926.7825315786.

The spelling of 7153162661 in words is "seven billion, one hundred fifty-three million, one hundred sixty-two thousand, six hundred sixty-one".