19116148926 has 32 divisors (see below), whose sum is σ = 43727109120. Its totient is φ = 5457625056.

The previous prime is 19116148913. The next prime is 19116148949. The reversal of 19116148926 is 62984161191.

It is a super-2 number, since 2×19116148926² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115761 + ... + 227228.

It is an arithmetic number, because the mean of its divisors is an integer number (1366472160).

Almost surely, 2^19116148926 is an apocalyptic number.

19116148926 is an abundant number, since it is smaller than the sum of its proper divisors (24610960194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19116148926 is a wasteful number, since it uses less digits than its factorization.

19116148926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344328.

The product of its digits is 186624, while the sum is 48.

The spelling of 19116148926 in words is "nineteen billion, one hundred sixteen million, one hundred forty-eight thousand, nine hundred twenty-six".