1660101100165 has 8 divisors (see below), whose sum is σ = 1992269503008. Its totient is φ = 1327982091600.

The previous prime is 1660101100139. The next prime is 1660101100219. The reversal of 1660101100165 is 5610011010661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1660101100165 - 2⁷ = 1660101100037 is a prime.

It is a Duffinian number.

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, 12274587 + ... + 12409096.

It is an arithmetic number, because the mean of its divisors is an integer number (249033687876).

Almost surely, 2^{1660101100165} is an apocalyptic number.

It is an amenable number.

1660101100165 is a deficient number, since it is larger than the sum of its proper divisors (332168402843).

1660101100165 is a wasteful number, since it uses less digits than its factorization.

1660101100165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697139.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 1660101100165 in words is "one trillion, six hundred sixty billion, one hundred one million, one hundred thousand, one hundred sixty-five".