2661336032 has 24 divisors (see below), whose sum is σ = 5420179800. Its totient is φ = 1284782464.

The previous prime is 2661336017. The next prime is 2661336059. The reversal of 2661336032 is 2306331662.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2661336032.

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, 1432982 + ... + 1434837.

It is an arithmetic number, because the mean of its divisors is an integer number (225840825).

Almost surely, 2^2661336032 is an apocalyptic number.

It is an amenable number.

2661336032 is an abundant number, since it is smaller than the sum of its proper divisors (2758843768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2661336032 is a wasteful number, since it uses less digits than its factorization.

2661336032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867858 (or 2867850 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 2661336032 is about 51588.1384816316. The cubic root of 2661336032 is about 1385.7979184076.

Adding to 2661336032 its reverse (2306331662), we get a palindrome (4967667694).

The spelling of 2661336032 in words is "two billion, six hundred sixty-one million, three hundred thirty-six thousand, thirty-two".