16245504031 has 4 divisors (see below), whose sum is σ = 16412983552. Its totient is φ = 16078024512.

The previous prime is 16245504007. The next prime is 16245504053. The reversal of 16245504031 is 13040554261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16245504031 - 2⁵ = 16245503999 is a prime.

It is a super-2 number, since 2×16245504031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16245503984 and 16245504002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245504001) 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, 83739615 + ... + 83739808.

It is an arithmetic number, because the mean of its divisors is an integer number (4103245888).

Almost surely, 2^16245504031 is an apocalyptic number.

16245504031 is a deficient number, since it is larger than the sum of its proper divisors (167479521).

16245504031 is an equidigital number, since it uses as much as digits as its factorization.

16245504031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167479520.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 16245504031 in words is "sixteen billion, two hundred forty-five million, five hundred four thousand, thirty-one".