2651216066600 has 48 divisors (see below), whose sum is σ = 6164188664220. Its totient is φ = 1060467276800.

The previous prime is 2651216066599. The next prime is 2651216066647. The reversal of 2651216066600 is 66606121562.

It can be written as a sum of positive squares in 6 ways, for example, as 1068787927684 + 1582428138916 = 1033822^2 + 1257946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17322410 + ... + 17474790.

Almost surely, 2^{2651216066600} is an apocalyptic number.

2651216066600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651216066600 is an abundant number, since it is smaller than the sum of its proper divisors (3512972597620).

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

2651216066600 is a wasteful number, since it uses less digits than its factorization.

2651216066600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239390 (or 239381 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 2651216066600 in words is "two trillion, six hundred fifty-one billion, two hundred sixteen million, sixty-six thousand, six hundred".