16203251452 has 12 divisors (see below), whose sum is σ = 29848094920. Its totient is φ = 7675224336.

The previous prime is 16203251437. The next prime is 16203251459. The reversal of 16203251452 is 25415230261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16203251459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106600263 + ... + 106600414.

Almost surely, 2^16203251452 is an apocalyptic number.

It is an amenable number.

16203251452 is a deficient number, since it is larger than the sum of its proper divisors (13644843468).

16203251452 is a wasteful number, since it uses less digits than its factorization.

16203251452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213200700 (or 213200698 counting only the distinct ones).

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

The spelling of 16203251452 in words is "sixteen billion, two hundred three million, two hundred fifty-one thousand, four hundred fifty-two".