19114146870 has 384 divisors, whose sum is σ = 61556060160. Its totient is φ = 3753630720.

The previous prime is 19114146859. The next prime is 19114146871. The reversal of 19114146870 is 7864141191.

It is a super-2 number, since 2×19114146870² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19114146871) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22148059 + ... + 22148921.

It is an arithmetic number, because the mean of its divisors is an integer number (160302240).

Almost surely, 2^19114146870 is an apocalyptic number.

19114146870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19114146870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30778030080).

19114146870 is an abundant number, since it is smaller than the sum of its proper divisors (42441913290).

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

19114146870 is a wasteful number, since it uses less digits than its factorization.

19114146870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 19114146870 in words is "nineteen billion, one hundred fourteen million, one hundred forty-six thousand, eight hundred seventy".