38061551616 has 208 divisors, whose sum is σ = 111360904320. Its totient is φ = 11466178560.

The previous prime is 38061551579. The next prime is 38061551657. The reversal of 38061551616 is 61615516083.

It is a super-2 number, since 2×38061551616² (a number of 22 digits) contains 22 as substring.

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, 26086695 + ... + 26088153.

Almost surely, 2^38061551616 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 38061551616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55680452160).

38061551616 is an abundant number, since it is smaller than the sum of its proper divisors (73299352704).

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

38061551616 is a wasteful number, since it uses less digits than its factorization.

38061551616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 38061551616 in words is "thirty-eight billion, sixty-one million, five hundred fifty-one thousand, six hundred sixteen".