2161269095 has 24 divisors (see below), whose sum is σ = 2751978240. Its totient is φ = 1629178560.

The previous prime is 2161269023. The next prime is 2161269107. The reversal of 2161269095 is 5909621612.

It is not a de Polignac number, because 2161269095 - 2¹² = 2161264999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341621 + ... + 347889.

It is an arithmetic number, because the mean of its divisors is an integer number (114665760).

Almost surely, 2^2161269095 is an apocalyptic number.

2161269095 is a deficient number, since it is larger than the sum of its proper divisors (590709145).

2161269095 is a wasteful number, since it uses less digits than its factorization.

2161269095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503 (or 6484 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2161269095 is about 46489.4514379337. The cubic root of 2161269095 is about 1292.9139294806.

The spelling of 2161269095 in words is "two billion, one hundred sixty-one million, two hundred sixty-nine thousand, ninety-five".