16506054031 has 2 divisors, whose sum is σ = 16506054032. Its totient is φ = 16506054030.

The previous prime is 16506054023. The next prime is 16506054077. The reversal of 16506054031 is 13045060561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16506054031 - 2³ = 16506054023 is a prime.

It is a super-2 number, since 2×16506054031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16506053984 and 16506054002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16506054011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253027015 + 8253027016.

It is an arithmetic number, because the mean of its divisors is an integer number (8253027016).

Almost surely, 2^16506054031 is an apocalyptic number.

16506054031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16506054031 is an equidigital number, since it uses as much as digits as its factorization.

16506054031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 16506054031 in words is "sixteen billion, five hundred six million, fifty-four thousand, thirty-one".