4016665401389 has 16 divisors (see below), whose sum is σ = 4106543049216. Its totient is φ = 3926973705600.

The previous prime is 4016665401347. The next prime is 4016665401403. The reversal of 4016665401389 is 9831045666104.

It is a cyclic number.

It is not a de Polignac number, because 4016665401389 - 2¹² = 4016665397293 is a prime.

It is a super-2 number, since 2×4016665401389² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4016665401389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4016665001389) 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, 263535809 + ... + 263551049.

It is an arithmetic number, because the mean of its divisors is an integer number (256658940576).

Almost surely, 2^{4016665401389} is an apocalyptic number.

It is an amenable number.

4016665401389 is a deficient number, since it is larger than the sum of its proper divisors (89877647827).

4016665401389 is a wasteful number, since it uses less digits than its factorization.

4016665401389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20956.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 4016665401389 in words is "four trillion, sixteen billion, six hundred sixty-five million, four hundred one thousand, three hundred eighty-nine".