7165066657 has 4 divisors (see below), whose sum is σ = 8188647616. Its totient is φ = 6141485700.

The previous prime is 7165066633. The next prime is 7165066681. The reversal of 7165066657 is 7566605617.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (7165066633) and next prime (7165066681).

It is not a de Polignac number, because 7165066657 - 2⁷ = 7165066529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7165066657.

It is not an unprimeable number, because it can be changed into a prime (7165066057) 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, 511790469 + ... + 511790482.

It is an arithmetic number, because the mean of its divisors is an integer number (2047161904).

Almost surely, 2^7165066657 is an apocalyptic number.

It is an amenable number.

7165066657 is a deficient number, since it is larger than the sum of its proper divisors (1023580959).

7165066657 is a wasteful number, since it uses less digits than its factorization.

7165066657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023580958.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The square root of 7165066657 is about 84646.7167526302. The cubic root of 7165066657 is about 1927.8507630314.

The spelling of 7165066657 in words is "seven billion, one hundred sixty-five million, sixty-six thousand, six hundred fifty-seven".