1016600215220 has 24 divisors (see below), whose sum is σ = 2260440479304. Its totient is φ = 382720080896.

The previous prime is 1016600215219. The next prime is 1016600215231. The reversal of 1016600215220 is 225120066101.

1016600215220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 446472530596 + 570127684624 = 668186^2 + 755068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1016600215220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494999977 + ... + 1495000656.

It is an arithmetic number, because the mean of its divisors is an integer number (94185019971).

Almost surely, 2^{1016600215220} is an apocalyptic number.

1016600215220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016600215220 is an abundant number, since it is smaller than the sum of its proper divisors (1243840264084).

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

1016600215220 is a wasteful number, since it uses less digits than its factorization.

1016600215220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990000659 (or 2990000657 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 1016600215220 in words is "one trillion, sixteen billion, six hundred million, two hundred fifteen thousand, two hundred twenty".