1606210231664 has 40 divisors (see below), whose sum is σ = 3125184142080. Its totient is φ = 799716155328.

The previous prime is 1606210231657. The next prime is 1606210231673. The reversal of 1606210231664 is 4661320126061.

It is a super-2 number, since 2×1606210231664² (a number of 25 digits) contains 22 as substring.

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, 4946207 + ... + 5260929.

It is an arithmetic number, because the mean of its divisors is an integer number (78129603552).

Almost surely, 2^{1606210231664} is an apocalyptic number.

It is an amenable number.

1606210231664 is a deficient number, since it is larger than the sum of its proper divisors (1518973910416).

1606210231664 is a wasteful number, since it uses less digits than its factorization.

1606210231664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316077 (or 316071 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 1606210231664 in words is "one trillion, six hundred six billion, two hundred ten million, two hundred thirty-one thousand, six hundred sixty-four".