2661741500 has 48 divisors (see below), whose sum is σ = 6341733216. Its totient is φ = 967904000.

The previous prime is 2661741491. The next prime is 2661741503. The reversal of 2661741500 is 51471662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661741503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236477 + ... + 247476.

It is an arithmetic number, because the mean of its divisors is an integer number (132119442).

Almost surely, 2^2661741500 is an apocalyptic number.

2661741500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2661741500 is an abundant number, since it is smaller than the sum of its proper divisors (3679991716).

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

2661741500 is a wasteful number, since it uses less digits than its factorization.

2661741500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483983 (or 483971 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2661741500 is about 51592.0681888214. The cubic root of 2661741500 is about 1385.8682926069.

The spelling of 2661741500 in words is "two billion, six hundred sixty-one million, seven hundred forty-one thousand, five hundred".