10172247621 has 8 divisors (see below), whose sum is σ = 13638768480. Its totient is φ = 6743612592.

The previous prime is 10172247557. The next prime is 10172247629. The reversal of 10172247621 is 12674227101.

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

It is not a de Polignac number, because 10172247621 - 2⁶ = 10172247557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172247629) 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, 9470830 + ... + 9471903.

It is an arithmetic number, because the mean of its divisors is an integer number (1704846060).

Almost surely, 2^10172247621 is an apocalyptic number.

It is an amenable number.

10172247621 is a deficient number, since it is larger than the sum of its proper divisors (3466520859).

10172247621 is a wasteful number, since it uses less digits than its factorization.

10172247621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942915.

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 10172247621 in words is "ten billion, one hundred seventy-two million, two hundred forty-seven thousand, six hundred twenty-one".