2664171692 has 48 divisors (see below), whose sum is σ = 5750019072. Its totient is φ = 1051790400.

The previous prime is 2664171691. The next prime is 2664171709. The reversal of 2664171692 is 2961714662.

It is not an unprimeable number, because it can be changed into a prime (2664171691) 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, 175817 + ... + 190367.

It is an arithmetic number, because the mean of its divisors is an integer number (119792064).

Almost surely, 2^2664171692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664171692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875009536).

2664171692 is an abundant number, since it is smaller than the sum of its proper divisors (3085847380).

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

2664171692 is a wasteful number, since it uses less digits than its factorization.

2664171692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15078 (or 15076 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 2664171692 is about 51615.6148079242. The cubic root of 2664171692 is about 1386.2899340493.

The spelling of 2664171692 in words is "two billion, six hundred sixty-four million, one hundred seventy-one thousand, six hundred ninety-two".