16125021327 has 8 divisors (see below), whose sum is σ = 22631608960. Its totient is φ = 10184223960.

The previous prime is 16125021317. The next prime is 16125021331. The reversal of 16125021327 is 72312052161.

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

It is not a de Polignac number, because 16125021327 - 2⁸ = 16125021071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16125021294 and 16125021303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125021307) 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, 141447499 + ... + 141447612.

It is an arithmetic number, because the mean of its divisors is an integer number (2828951120).

Almost surely, 2^16125021327 is an apocalyptic number.

16125021327 is a deficient number, since it is larger than the sum of its proper divisors (6506587633).

16125021327 is a wasteful number, since it uses less digits than its factorization.

16125021327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282895133.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 16125021327 its reverse (72312052161), we get a palindrome (88437073488).

The spelling of 16125021327 in words is "sixteen billion, one hundred twenty-five million, twenty-one thousand, three hundred twenty-seven".