19161850102 has 16 divisors (see below), whose sum is σ = 28804043520. Its totient is φ = 9560521152.

The previous prime is 19161850087. The next prime is 19161850111. The reversal of 19161850102 is 20105816191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920858 + ... + 2927410.

It is an arithmetic number, because the mean of its divisors is an integer number (1800252720).

Almost surely, 2^19161850102 is an apocalyptic number.

19161850102 is a deficient number, since it is larger than the sum of its proper divisors (9642193418).

19161850102 is a wasteful number, since it uses less digits than its factorization.

19161850102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 4320, while the sum is 34.

The spelling of 19161850102 in words is "nineteen billion, one hundred sixty-one million, eight hundred fifty thousand, one hundred two".