16512099351 has 24 divisors (see below), whose sum is σ = 24208179072. Its totient is φ = 10003765200.

The previous prime is 16512099347. The next prime is 16512099379. The reversal of 16512099351 is 15399021561.

It is not a de Polignac number, because 16512099351 - 2² = 16512099347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16512099341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1303036 + ... + 1315646.

It is an arithmetic number, because the mean of its divisors is an integer number (1008674128).

Almost surely, 2^16512099351 is an apocalyptic number.

16512099351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16512099351 is a deficient number, since it is larger than the sum of its proper divisors (7696079721).

16512099351 is a wasteful number, since it uses less digits than its factorization.

16512099351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16243 (or 16232 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 42.

The spelling of 16512099351 in words is "sixteen billion, five hundred twelve million, ninety-nine thousand, three hundred fifty-one".