16273240620 has 384 divisors, whose sum is σ = 57373747200. Its totient is φ = 3355361280.

The previous prime is 16273240619. The next prime is 16273240673. The reversal of 16273240620 is 2604237261.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 67523700 + ... + 67523940.

It is an arithmetic number, because the mean of its divisors is an integer number (149410800).

Almost surely, 2^16273240620 is an apocalyptic number.

16273240620 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 16273240620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28686873600).

16273240620 is an abundant number, since it is smaller than the sum of its proper divisors (41100506580).

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

16273240620 is a wasteful number, since it uses less digits than its factorization.

16273240620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 16273240620 its reverse (2604237261), we get a palindrome (18877477881).

The spelling of 16273240620 in words is "sixteen billion, two hundred seventy-three million, two hundred forty thousand, six hundred twenty".