1660656165142 has 16 divisors (see below), whose sum is σ = 2682629217072. Its totient is φ = 766447892640.

The previous prime is 1660656165137. The next prime is 1660656165191. The reversal of 1660656165142 is 2415616560661.

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, 2310592 + ... + 2942812.

It is an arithmetic number, because the mean of its divisors is an integer number (167664326067).

Almost surely, 2^{1660656165142} is an apocalyptic number.

1660656165142 is a deficient number, since it is larger than the sum of its proper divisors (1021973051930).

1660656165142 is a wasteful number, since it uses less digits than its factorization.

1660656165142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733263.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 1660656165142 in words is "one trillion, six hundred sixty billion, six hundred fifty-six million, one hundred sixty-five thousand, one hundred forty-two".