16125537 has 16 divisors (see below), whose sum is σ = 23552640. Its totient is φ = 9768192.

The previous prime is 16125523. The next prime is 16125539. The reversal of 16125537 is 73552161.

16125537 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16125537 - 2⁴ = 16125521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16125539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973 + ... + 6930.

It is an arithmetic number, because the mean of its divisors is an integer number (1472040).

Almost surely, 2^16125537 is an apocalyptic number.

16125537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16125537 is a deficient number, since it is larger than the sum of its proper divisors (7427103).

16125537 is a wasteful number, since it uses less digits than its factorization.

16125537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952.

The product of its digits is 6300, while the sum is 30.

The square root of 16125537 is about 4015.6614648150. The cubic root of 16125537 is about 252.6415218149.

Adding to 16125537 its reverse (73552161), we get a palindrome (89677698).

The spelling of 16125537 in words is "sixteen million, one hundred twenty-five thousand, five hundred thirty-seven".