38243537181648 has 40 divisors (see below), whose sum is σ = 109773115985600. Its totient is φ = 12747845727072.

The previous prime is 38243537181643. The next prime is 38243537181653. The reversal of 38243537181648 is 84618173534283.

It is a happy number.

38243537181648 is a `hidden beast` number, since 3 + 8 + 2 + 43 + 537 + 1 + 8 + 16 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (38243537181643) and next prime (38243537181653).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38243537181643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44263352788 + ... + 44263353651.

It is an arithmetic number, because the mean of its divisors is an integer number (2744327899640).

Almost surely, 2^{38243537181648} is an apocalyptic number.

It is an amenable number.

38243537181648 is an abundant number, since it is smaller than the sum of its proper divisors (71529578803952).

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

38243537181648 is a wasteful number, since it uses less digits than its factorization.

38243537181648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88526706456 (or 88526706444 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 38243537181648 in words is "thirty-eight trillion, two hundred forty-three billion, five hundred thirty-seven million, one hundred eighty-one thousand, six hundred forty-eight".