2665161034 has 4 divisors (see below), whose sum is σ = 3997741554. Its totient is φ = 1332580516.

The previous prime is 2665161019. The next prime is 2665161049. The reversal of 2665161034 is 4301615662.

2665161034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4301615662 = 2 ⋅2150807831.

It is an interprime number because it is at equal distance from previous prime (2665161019) and next prime (2665161049).

It can be written as a sum of positive squares in only one way, i.e., 2606408809 + 58752225 = 51053^2 + 7665^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666290257 + ... + 666290260.

Almost surely, 2^2665161034 is an apocalyptic number.

2665161034 is a deficient number, since it is larger than the sum of its proper divisors (1332580520).

2665161034 is a wasteful number, since it uses less digits than its factorization.

2665161034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332580519.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2665161034 is about 51625.1976654811. The cubic root of 2665161034 is about 1386.4615127210.

Adding to 2665161034 its reverse (4301615662), we get a palindrome (6966776696).

The spelling of 2665161034 in words is "two billion, six hundred sixty-five million, one hundred sixty-one thousand, thirty-four".