38772320146661 has 8 divisors (see below), whose sum is σ = 40033592089344. Its totient is φ = 37511707700160.

The previous prime is 38772320146631. The next prime is 38772320146669. The reversal of 38772320146661 is 16664102327783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38772320146661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38772320146597 and 38772320146606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772320146669) 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, 164754551 + ... + 164989716.

It is an arithmetic number, because the mean of its divisors is an integer number (5004199011168).

Almost surely, 2^{38772320146661} is an apocalyptic number.

38772320146661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38772320146661 is a deficient number, since it is larger than the sum of its proper divisors (1261271942683).

38772320146661 is a wasteful number, since it uses less digits than its factorization.

38772320146661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329748091.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 38772320146661 in words is "thirty-eight trillion, seven hundred seventy-two billion, three hundred twenty million, one hundred forty-six thousand, six hundred sixty-one".