2661154316 has 12 divisors (see below), whose sum is σ = 4670366400. Its totient is φ = 1326763920.

The previous prime is 2661154291. The next prime is 2661154319. The reversal of 2661154316 is 6134511662.

It is not an unprimeable number, because it can be changed into a prime (2661154319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951740 + ... + 954531.

It is an arithmetic number, because the mean of its divisors is an integer number (389197200).

Almost surely, 2^2661154316 is an apocalyptic number.

It is an amenable number.

2661154316 is a deficient number, since it is larger than the sum of its proper divisors (2009212084).

2661154316 is a wasteful number, since it uses less digits than its factorization.

2661154316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906624 (or 1906622 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 2661154316 is about 51586.3772327540. The cubic root of 2661154316 is about 1385.7663769333.

Adding to 2661154316 its reverse (6134511662), we get a palindrome (8795665978).

The spelling of 2661154316 in words is "two billion, six hundred sixty-one million, one hundred fifty-four thousand, three hundred sixteen".