38401664361 has 8 divisors (see below), whose sum is σ = 54214114464. Its totient is φ = 24095161920.

The previous prime is 38401664321. The next prime is 38401664369. The reversal of 38401664361 is 16346610483.

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

It is not a de Polignac number, because 38401664361 - 2⁶ = 38401664297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38401664369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376486855 + ... + 376486956.

It is an arithmetic number, because the mean of its divisors is an integer number (6776764308).

Almost surely, 2^38401664361 is an apocalyptic number.

It is an amenable number.

38401664361 is a deficient number, since it is larger than the sum of its proper divisors (15812450103).

38401664361 is a wasteful number, since it uses less digits than its factorization.

38401664361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752973831.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 38401664361 in words is "thirty-eight billion, four hundred one million, six hundred sixty-four thousand, three hundred sixty-one".