2679011660 has 108 divisors (see below), whose sum is σ = 6218650368. Its totient is φ = 968962176.

The previous prime is 2679011659. The next prime is 2679011663. The reversal of 2679011660 is 661109762.

It is not an unprimeable number, because it can be changed into a prime (2679011663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21094517 + ... + 21094643.

It is an arithmetic number, because the mean of its divisors is an integer number (57580096).

Almost surely, 2^2679011660 is an apocalyptic number.

2679011660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2679011660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109325184).

2679011660 is an abundant number, since it is smaller than the sum of its proper divisors (3539638708).

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

2679011660 is a wasteful number, since it uses less digits than its factorization.

2679011660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2679011660 is about 51759.1698155989. The cubic root of 2679011660 is about 1388.8591401367.

The spelling of 2679011660 in words is "two billion, six hundred seventy-nine million, eleven thousand, six hundred sixty".