1660211062066 has 32 divisors (see below), whose sum is σ = 2515378536000. Its totient is φ = 821784575040.

The previous prime is 1660211062051. The next prime is 1660211062087. The reversal of 1660211062066 is 6602601120661.

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, 219920860 + ... + 219928408.

It is an arithmetic number, because the mean of its divisors is an integer number (78605579250).

Almost surely, 2^{1660211062066} is an apocalyptic number.

1660211062066 is a deficient number, since it is larger than the sum of its proper divisors (855167473934).

1660211062066 is a wasteful number, since it uses less digits than its factorization.

1660211062066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 1660211062066 in words is "one trillion, six hundred sixty billion, two hundred eleven million, sixty-two thousand, sixty-six".