16425655031 has 4 divisors (see below), whose sum is σ = 16441743864. Its totient is φ = 16409566200.

The previous prime is 16425654991. The next prime is 16425655067. The reversal of 16425655031 is 13055652461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13055652461 = 10709 ⋅1219129.

It is a cyclic number.

It is not a de Polignac number, because 16425655031 - 2⁶ = 16425654967 is a prime.

It is a super-2 number, since 2×16425655031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425658031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8042885 + ... + 8044926.

It is an arithmetic number, because the mean of its divisors is an integer number (4110435966).

Almost surely, 2^16425655031 is an apocalyptic number.

16425655031 is a deficient number, since it is larger than the sum of its proper divisors (16088833).

16425655031 is a wasteful number, since it uses less digits than its factorization.

16425655031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088832.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 16425655031 in words is "sixteen billion, four hundred twenty-five million, six hundred fifty-five thousand, thirty-one".