16254196140 has 384 divisors, whose sum is σ = 59305623552. Its totient is φ = 3232373760.

The previous prime is 16254196061. The next prime is 16254196141. The reversal of 16254196140 is 4169145261.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (16254196141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8915269 + ... + 8917091.

It is an arithmetic number, because the mean of its divisors is an integer number (154441728).

Almost surely, 2^16254196140 is an apocalyptic number.

16254196140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16254196140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29652811776).

16254196140 is an abundant number, since it is smaller than the sum of its proper divisors (43051427412).

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

16254196140 is a wasteful number, since it uses less digits than its factorization.

16254196140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 16254196140 in words is "sixteen billion, two hundred fifty-four million, one hundred ninety-six thousand, one hundred forty".