4211665536 has 128 divisors (see below), whose sum is σ = 12074711040. Its totient is φ = 1293004800.

The previous prime is 4211665453. The next prime is 4211665541. The reversal of 4211665536 is 6355661124.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 4211665494 and 4211665503.

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, 3658561 + ... + 3659711.

It is an arithmetic number, because the mean of its divisors is an integer number (94333680).

Almost surely, 2^4211665536 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 4211665536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6037355520).

4211665536 is an abundant number, since it is smaller than the sum of its proper divisors (7863045504).

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

4211665536 is a wasteful number, since it uses less digits than its factorization.

4211665536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1902 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 4211665536 is about 64897.3461398846. The cubic root of 4211665536 is about 1614.9210357990.

The spelling of 4211665536 in words is "four billion, two hundred eleven million, six hundred sixty-five thousand, five hundred thirty-six".