1660506001101 has 16 divisors (see below), whose sum is σ = 2460036979200. Its totient is φ = 1106991360864.

The previous prime is 1660506001097. The next prime is 1660506001109. The reversal of 1660506001101 is 1011006050661.

1660506001101 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 50 + 600 + 1 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 1660506001101 - 2² = 1660506001097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660506001109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469265 + ... + 3068921.

It is an arithmetic number, because the mean of its divisors is an integer number (153752311200).

Almost surely, 2^{1660506001101} is an apocalyptic number.

It is an amenable number.

1660506001101 is a deficient number, since it is larger than the sum of its proper divisors (799530978099).

1660506001101 is a wasteful number, since it uses less digits than its factorization.

1660506001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702225 (or 702219 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 1660506001101 in words is "one trillion, six hundred sixty billion, five hundred six million, one thousand, one hundred one".