38365168566550 has 24 divisors (see below), whose sum is σ = 81553386896496. Its totient is φ = 13153772079840.

The previous prime is 38365168566493. The next prime is 38365168566559. The reversal of 38365168566550 is 5566586156383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38365168566559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54807383317 + ... + 54807384016.

It is an arithmetic number, because the mean of its divisors is an integer number (3398057787354).

Almost surely, 2^{38365168566550} is an apocalyptic number.

38365168566550 is an abundant number, since it is smaller than the sum of its proper divisors (43188218329946).

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

38365168566550 is a wasteful number, since it uses less digits than its factorization.

38365168566550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109614767352 (or 109614767347 counting only the distinct ones).

The product of its (nonzero) digits is 466560000, while the sum is 67.

The spelling of 38365168566550 in words is "thirty-eight trillion, three hundred sixty-five billion, one hundred sixty-eight million, five hundred sixty-six thousand, five hundred fifty".