2016660375 has 48 divisors (see below), whose sum is σ = 3733410720. Its totient is φ = 1074160800.

The previous prime is 2016660313. The next prime is 2016660383. The reversal of 2016660375 is 5730666102.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 2016660375 - 2⁸ = 2016660119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2608489 + ... + 2609261.

It is an arithmetic number, because the mean of its divisors is an integer number (77779390).

Almost surely, 2^2016660375 is an apocalyptic number.

2016660375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2016660375 is a deficient number, since it is larger than the sum of its proper divisors (1716750345).

2016660375 is an frugal number, since it uses more digits than its factorization.

2016660375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2016660375 is about 44907.2418992750. The cubic root of 2016660375 is about 1263.4098398556.

The spelling of 2016660375 in words is "two billion, sixteen million, six hundred sixty thousand, three hundred seventy-five".