38831216064 has 28 divisors (see below), whose sum is σ = 102740926344. Its totient is φ = 12943738624.

The previous prime is 38831216059. The next prime is 38831216069. The reversal of 38831216064 is 46061213883.

It is an interprime number because it is at equal distance from previous prime (38831216059) and next prime (38831216069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38831216069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101122767 + ... + 101123150.

It is an arithmetic number, because the mean of its divisors is an integer number (3669318798).

Almost surely, 2^38831216064 is an apocalyptic number.

It is an amenable number.

38831216064 is an abundant number, since it is smaller than the sum of its proper divisors (63909710280).

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

38831216064 is a wasteful number, since it uses less digits than its factorization.

38831216064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202245932 (or 202245922 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 38831216064 in words is "thirty-eight billion, eight hundred thirty-one million, two hundred sixteen thousand, sixty-four".