4001662063 has 16 divisors (see below), whose sum is σ = 4883650560. Its totient is φ = 3204885600.

The previous prime is 4001662051. The next prime is 4001662081. The reversal of 4001662063 is 3602661004.

4001662063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4001662063 - 2¹⁷ = 4001530991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001662043) 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, 311653 + ... + 324238.

It is an arithmetic number, because the mean of its divisors is an integer number (305228160).

Almost surely, 2^4001662063 is an apocalyptic number.

4001662063 is a deficient number, since it is larger than the sum of its proper divisors (881988497).

4001662063 is a wasteful number, since it uses less digits than its factorization.

4001662063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635958.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4001662063 is about 63258.6916004433. The cubic root of 4001662063 is about 1587.6208849025.

The spelling of 4001662063 in words is "four billion, one million, six hundred sixty-two thousand, sixty-three".