1666652164300 has 18 divisors (see below), whose sum is σ = 3616635196748. Its totient is φ = 666660865680.

The previous prime is 1666652164291. The next prime is 1666652164327. The reversal of 1666652164300 is 34612566661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8333260722 + ... + 8333260921.

Almost surely, 2^{1666652164300} is an apocalyptic number.

1666652164300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1666652164300 is an abundant number, since it is smaller than the sum of its proper divisors (1949983032448).

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

1666652164300 is a wasteful number, since it uses less digits than its factorization.

1666652164300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666521657 (or 16666521650 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 1666652164300 in words is "one trillion, six hundred sixty-six billion, six hundred fifty-two million, one hundred sixty-four thousand, three hundred".