38172411663 has 8 divisors (see below), whose sum is σ = 50927050800. Its totient is φ = 25433023488.

The previous prime is 38172411661. The next prime is 38172411703. The reversal of 38172411663 is 36611427183.

It is a happy number.

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

It is not a de Polignac number, because 38172411663 - 2¹ = 38172411661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38172411661) 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, 3806898 + ... + 3816911.

It is an arithmetic number, because the mean of its divisors is an integer number (6365881350).

Almost surely, 2^38172411663 is an apocalyptic number.

38172411663 is a deficient number, since it is larger than the sum of its proper divisors (12754639137).

38172411663 is a wasteful number, since it uses less digits than its factorization.

38172411663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625481.

The product of its digits is 145152, while the sum is 42.

The spelling of 38172411663 in words is "thirty-eight billion, one hundred seventy-two million, four hundred eleven thousand, six hundred sixty-three".