2152014415666 has 16 divisors (see below), whose sum is σ = 3398024606400. Its totient is φ = 1019343117168.

The previous prime is 2152014415633. The next prime is 2152014415679. The reversal of 2152014415666 is 6665144102512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351331 + ... + 2104153.

It is an arithmetic number, because the mean of its divisors is an integer number (212376537900).

Almost surely, 2^{2152014415666} is an apocalyptic number.

2152014415666 is a deficient number, since it is larger than the sum of its proper divisors (1246010190734).

2152014415666 is a wasteful number, since it uses less digits than its factorization.

2152014415666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785153.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 2152014415666 in words is "two trillion, one hundred fifty-two billion, fourteen million, four hundred fifteen thousand, six hundred sixty-six".