1660101102 has 128 divisors (see below), whose sum is σ = 4317235200. Its totient is φ = 467251200.

The previous prime is 1660101071. The next prime is 1660101127. The reversal of 1660101102 is 2011010661.

1660101102 is a `hidden beast` number, since 1 + 660 + 1 + 0 + 1 + 1 + 0 + 2 = 666.

It is a super-2 number, since 2×1660101102² = 5511871337723228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796702 + ... + 798782.

It is an arithmetic number, because the mean of its divisors is an integer number (33728400).

Almost surely, 2^1660101102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2158617600).

1660101102 is an abundant number, since it is smaller than the sum of its proper divisors (2657134098).

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

1660101102 is a wasteful number, since it uses less digits than its factorization.

1660101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1660101102 is about 40744.3382815331. The cubic root of 1660101102 is about 1184.0721851344.

Adding to 1660101102 its reverse (2011010661), we get a palindrome (3671111763).

The spelling of 1660101102 in words is "one billion, six hundred sixty million, one hundred one thousand, one hundred two".