7161260749 has 8 divisors (see below), whose sum is σ = 7505256960. Its totient is φ = 6819984336.

The previous prime is 7161260707. The next prime is 7161260753. The reversal of 7161260749 is 9470621617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7161260749 - 2¹⁵ = 7161227981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161269749) 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 7 ways as a sum of consecutive naturals, for example, 674557 + ... + 685090.

It is an arithmetic number, because the mean of its divisors is an integer number (938157120).

Almost surely, 2^7161260749 is an apocalyptic number.

It is an amenable number.

7161260749 is a deficient number, since it is larger than the sum of its proper divisors (343996211).

7161260749 is a wasteful number, since it uses less digits than its factorization.

7161260749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359899.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 7161260749 is about 84624.2326346301. The cubic root of 7161260749 is about 1927.5093601994.

The spelling of 7161260749 in words is "seven billion, one hundred sixty-one million, two hundred sixty thousand, seven hundred forty-nine".