38497587216 has 160 divisors (see below), whose sum is σ = 110680915968. Its totient is φ = 11432977920.

The previous prime is 38497587211. The next prime is 38497587217. The reversal of 38497587216 is 61278579483.

It is a self number, because there is not a number n which added to its sum of digits gives 38497587216.

It is not an unprimeable number, because it can be changed into a prime (38497587211) 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 31 ways as a sum of consecutive naturals, for example, 5562190 + ... + 5569106.

Almost surely, 2^38497587216 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 38497587216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55340457984).

38497587216 is an abundant number, since it is smaller than the sum of its proper divisors (72183328752).

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

38497587216 is a wasteful number, since it uses less digits than its factorization.

38497587216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149 (or 7143 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 38497587216 in words is "thirty-eight billion, four hundred ninety-seven million, five hundred eighty-seven thousand, two hundred sixteen".