10161500421 has 8 divisors (see below), whose sum is σ = 13567997664. Its totient is φ = 6764668400.

The previous prime is 10161500399. The next prime is 10161500519. The reversal of 10161500421 is 12400516101.

10161500421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10161500421 - 2⁶ = 10161500357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161500221) 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, 2413851 + ... + 2418056.

It is an arithmetic number, because the mean of its divisors is an integer number (1695999708).

Almost surely, 2^10161500421 is an apocalyptic number.

It is an amenable number.

10161500421 is a deficient number, since it is larger than the sum of its proper divisors (3406497243).

10161500421 is an equidigital number, since it uses as much as digits as its factorization.

10161500421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832611.

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 10161500421 in words is "ten billion, one hundred sixty-one million, five hundred thousand, four hundred twenty-one".