19161625114 has 4 divisors (see below), whose sum is σ = 28742437674. Its totient is φ = 9580812556.

The previous prime is 19161625103. The next prime is 19161625177. The reversal of 19161625114 is 41152616191.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 15821363089 + 3340262025 = 125783^2 + 57795^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4790406277 + ... + 4790406280.

Almost surely, 2^19161625114 is an apocalyptic number.

19161625114 is a deficient number, since it is larger than the sum of its proper divisors (9580812560).

19161625114 is an equidigital number, since it uses as much as digits as its factorization.

19161625114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580812559.

The product of its digits is 12960, while the sum is 37.

The spelling of 19161625114 in words is "nineteen billion, one hundred sixty-one million, six hundred twenty-five thousand, one hundred fourteen".