2261169886 has 8 divisors (see below), whose sum is σ = 3410703720. Its totient is φ = 1124268648.

The previous prime is 2261169871. The next prime is 2261169923. The reversal of 2261169886 is 6889611622.

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

It is a super-3 number, since 3×2261169886³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157701 + ... + 3158416.

It is an arithmetic number, because the mean of its divisors is an integer number (426337965).

Almost surely, 2^2261169886 is an apocalyptic number.

2261169886 is a deficient number, since it is larger than the sum of its proper divisors (1149533834).

2261169886 is a wasteful number, since it uses less digits than its factorization.

2261169886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316298.

The product of its digits is 497664, while the sum is 49.

The square root of 2261169886 is about 47551.7600725778. The cubic root of 2261169886 is about 1312.5355174183.

The spelling of 2261169886 in words is "two billion, two hundred sixty-one million, one hundred sixty-nine thousand, eight hundred eighty-six".