16415445156 has 144 divisors (see below), whose sum is σ = 43316078400. Its totient is φ = 4832875520.

The previous prime is 16415445139. The next prime is 16415445173. The reversal of 16415445156 is 65154451461.

It is an interprime number because it is at equal distance from previous prime (16415445139) and next prime (16415445173).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7623376 + ... + 7625528.

It is an arithmetic number, because the mean of its divisors is an integer number (300806100).

Almost surely, 2^16415445156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16415445156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21658039200).

16415445156 is an abundant number, since it is smaller than the sum of its proper divisors (26900633244).

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

16415445156 is a wasteful number, since it uses less digits than its factorization.

16415445156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2317 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 16415445156 in words is "sixteen billion, four hundred fifteen million, four hundred forty-five thousand, one hundred fifty-six".