16148623451 has 4 divisors (see below), whose sum is σ = 16492211232. Its totient is φ = 15805035672.

The previous prime is 16148623429. The next prime is 16148623453. The reversal of 16148623451 is 15432684161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16148623451 - 2²⁶ = 16081514587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16148623399 and 16148623408.

It is not an unprimeable number, because it can be changed into a prime (16148623453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171793820 + ... + 171793913.

It is an arithmetic number, because the mean of its divisors is an integer number (4123052808).

Almost surely, 2^16148623451 is an apocalyptic number.

16148623451 is a deficient number, since it is larger than the sum of its proper divisors (343587781).

16148623451 is an equidigital number, since it uses as much as digits as its factorization.

16148623451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343587780.

The product of its digits is 138240, while the sum is 41.

The spelling of 16148623451 in words is "sixteen billion, one hundred forty-eight million, six hundred twenty-three thousand, four hundred fifty-one".