16246663620 has 192 divisors, whose sum is σ = 52211174400. Its totient is φ = 3738058240.

The previous prime is 16246663603. The next prime is 16246663673. The reversal of 16246663620 is 2636664261.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1122067 + ... + 1136453.

It is an arithmetic number, because the mean of its divisors is an integer number (271933200).

Almost surely, 2^16246663620 is an apocalyptic number.

16246663620 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 16246663620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26105587200).

16246663620 is an abundant number, since it is smaller than the sum of its proper divisors (35964510780).

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

16246663620 is a wasteful number, since it uses less digits than its factorization.

16246663620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498 (or 14496 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 16246663620 in words is "sixteen billion, two hundred forty-six million, six hundred sixty-three thousand, six hundred twenty".