16125977 has 8 divisors (see below), whose sum is σ = 18472896. Its totient is φ = 13789872.

The previous prime is 16125971. The next prime is 16126037. The reversal of 16125977 is 77952161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16125977 - 2⁴ = 16125961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16125977.

It is not an unprimeable number, because it can be changed into a prime (16125971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 5735.

It is an arithmetic number, because the mean of its divisors is an integer number (2309112).

Almost surely, 2^16125977 is an apocalyptic number.

It is an amenable number.

16125977 is a deficient number, since it is larger than the sum of its proper divisors (2346919).

16125977 is an equidigital number, since it uses as much as digits as its factorization.

16125977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407.

The product of its digits is 26460, while the sum is 38.

The square root of 16125977 is about 4015.7162499360. The cubic root of 16125977 is about 252.6438196455.

The spelling of 16125977 in words is "sixteen million, one hundred twenty-five thousand, nine hundred seventy-seven".