1660601107 has 12 divisors (see below), whose sum is σ = 1861866216. Its totient is φ = 1468823040.

The previous prime is 1660601053. The next prime is 1660601113. The reversal of 1660601107 is 7011060661.

It is not a de Polignac number, because 1660601107 - 2⁷ = 1660600979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660601207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40078 + ... + 70195.

It is an arithmetic number, because the mean of its divisors is an integer number (155155518).

Almost surely, 2^1660601107 is an apocalyptic number.

1660601107 is a deficient number, since it is larger than the sum of its proper divisors (201265109).

1660601107 is a wasteful number, since it uses less digits than its factorization.

1660601107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110358 (or 110321 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1660601107 is about 40750.4737027682. The cubic root of 1660601107 is about 1184.1910498998.

Adding to 1660601107 its reverse (7011060661), we get a palindrome (8671661768).

The spelling of 1660601107 in words is "one billion, six hundred sixty million, six hundred one thousand, one hundred seven".