38162638081 has 8 divisors (see below), whose sum is σ = 41025905280. Its totient is φ = 35384841648.

The previous prime is 38162638057. The next prime is 38162638109. The reversal of 38162638081 is 18083626183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38162638081 - 2¹⁹ = 38162113793 is a prime.

It is a super-2 number, since 2×38162638081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38162638021) 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, 21366766 + ... + 21368551.

It is an arithmetic number, because the mean of its divisors is an integer number (5128238160).

Almost surely, 2^38162638081 is an apocalyptic number.

It is an amenable number.

38162638081 is a deficient number, since it is larger than the sum of its proper divisors (2863267199).

38162638081 is a wasteful number, since it uses less digits than its factorization.

38162638081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42735383.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 38162638081 in words is "thirty-eight billion, one hundred sixty-two million, six hundred thirty-eight thousand, eighty-one".