2721656516 has 12 divisors (see below), whose sum is σ = 4969981632. Its totient is φ = 1301661768.

The previous prime is 2721656461. The next prime is 2721656521. The reversal of 2721656516 is 6156561272.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 14791520 + ... + 14791703.

It is an arithmetic number, because the mean of its divisors is an integer number (414165136).

Almost surely, 2^2721656516 is an apocalyptic number.

It is an amenable number.

2721656516 is a deficient number, since it is larger than the sum of its proper divisors (2248325116).

2721656516 is a wasteful number, since it uses less digits than its factorization.

2721656516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29583250 (or 29583248 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 2721656516 is about 52169.4979465971. The cubic root of 2721656516 is about 1396.1897270343.

The spelling of 2721656516 in words is "two billion, seven hundred twenty-one million, six hundred fifty-six thousand, five hundred sixteen".