16458038397 has 12 divisors (see below), whose sum is σ = 24325576704. Its totient is φ = 10716861960.

The previous prime is 16458038357. The next prime is 16458038473. The reversal of 16458038397 is 79383085461.

It is not a de Polignac number, because 16458038397 - 2¹⁸ = 16457776253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16458038357) 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 11 ways as a sum of consecutive naturals, for example, 21263229 + ... + 21264002.

It is an arithmetic number, because the mean of its divisors is an integer number (2027131392).

Almost surely, 2^16458038397 is an apocalyptic number.

It is an amenable number.

16458038397 is a deficient number, since it is larger than the sum of its proper divisors (7867538307).

16458038397 is a wasteful number, since it uses less digits than its factorization.

16458038397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42527280 (or 42527277 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16458038397 in words is "sixteen billion, four hundred fifty-eight million, thirty-eight thousand, three hundred ninety-seven".