2141551516 has 48 divisors (see below), whose sum is σ = 4183149600. Its totient is φ = 952503552.

The previous prime is 2141551499. The next prime is 2141551537. The reversal of 2141551516 is 6151551412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068171 + ... + 1070173.

It is an arithmetic number, because the mean of its divisors is an integer number (87148950).

Almost surely, 2^2141551516 is an apocalyptic number.

2141551516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2141551516 is a deficient number, since it is larger than the sum of its proper divisors (2041598084).

2141551516 is a wasteful number, since it uses less digits than its factorization.

2141551516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2756 counting only the distinct ones).

The product of its digits is 6000, while the sum is 31.

The square root of 2141551516 is about 46276.9004580039. The cubic root of 2141551516 is about 1288.9700963840.

The spelling of 2141551516 in words is "two billion, one hundred forty-one million, five hundred fifty-one thousand, five hundred sixteen".