7265077161 has 4 divisors (see below), whose sum is σ = 9686769552. Its totient is φ = 4843384772.

The previous prime is 7265077153. The next prime is 7265077181. The reversal of 7265077161 is 1617705627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7265077161 - 2³ = 7265077153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7265077111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210846191 + ... + 1210846196.

It is an arithmetic number, because the mean of its divisors is an integer number (2421692388).

Almost surely, 2^7265077161 is an apocalyptic number.

It is an amenable number.

7265077161 is a deficient number, since it is larger than the sum of its proper divisors (2421692391).

7265077161 is a wasteful number, since it uses less digits than its factorization.

7265077161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421692390.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 7265077161 is about 85235.4219852287. The cubic root of 7265077161 is about 1936.7790426223.

The spelling of 7265077161 in words is "seven billion, two hundred sixty-five million, seventy-seven thousand, one hundred sixty-one".