4201665888 has 96 divisors (see below), whose sum is σ = 12658222080. Its totient is φ = 1195407360.

The previous prime is 4201665863. The next prime is 4201665911. The reversal of 4201665888 is 8885661024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147528 + ... + 173688.

It is an arithmetic number, because the mean of its divisors is an integer number (131856480).

Almost surely, 2^4201665888 is an apocalyptic number.

4201665888 is a gapful number since it is divisible by the number (48) 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 4201665888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6329111040).

4201665888 is an abundant number, since it is smaller than the sum of its proper divisors (8456556192).

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

4201665888 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4201665888 = (1866804852)₁₁.

4201665888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26420 (or 26412 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 4201665888 is about 64820.2583148201. The cubic root of 4201665888 is about 1613.6419346068.

The spelling of 4201665888 in words is "four billion, two hundred one million, six hundred sixty-five thousand, eight hundred eighty-eight".