16425633203 has 8 divisors (see below), whose sum is σ = 18915452160. Its totient is φ = 13971639240.

The previous prime is 16425633187. The next prime is 16425633229. The reversal of 16425633203 is 30233652461.

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 16425633203 - 2⁴ = 16425633187 is a prime.

It is a super-2 number, since 2×16425633203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16425633403) 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, 8955263 + ... + 8957096.

It is an arithmetic number, because the mean of its divisors is an integer number (2364431520).

Almost surely, 2^16425633203 is an apocalyptic number.

16425633203 is a deficient number, since it is larger than the sum of its proper divisors (2489818957).

16425633203 is a wasteful number, since it uses less digits than its factorization.

16425633203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912497.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 16425633203 in words is "sixteen billion, four hundred twenty-five million, six hundred thirty-three thousand, two hundred three".